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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG788646509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788646509

Diamond specifications and retailer prices

From €430 EUR
$480 USD
As of October 29, 2026
Save €1,836 EUR (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €6,803 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788646509 or 788646509. Listed at 26 retailers as of October 29, 2026, with a 427% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788646509
Dimensions8.75 × 8.79 × 5.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.75 mm8.79 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788646509
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €6,803 EUR|Low: €430 EUR|High: €6,803 EUR|Avg: €1,574 EUR
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 9€430 EUR
Retailer 10€480 EUR
Retailer 21€481 EUR
Retailer 2€533 EUR
Retailer 16€658 EUR
Retailer 6€668 EUR
Retailer 13€770 EUR
Retailer 4€831 EUR
Retailer 15€881 EUR
Retailer 7€1,182 EUR
Retailer 20€1,205 EUR
Retailer 19€1,231 EUR
Retailer 12€1,303 EUR
Retailer 17€1,711 EUR
Retailer 8€1,737 EUR
Retailer 5€1,867 EUR
Retailer 3€1,992 EUR
Retailer 18€2,189 EUR
Retailer 11€2,266 EUR
Retailer 14€2,967 EUR
Brilliant Earth€6,803 EUR

29 data points across 21 retailers

26 retailers€430 EUR to €2,266 EUR

A
Cheapest Retailer
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€430 EUR
$480 USD
A
Retailer 2
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€480 EUR
$536 USD
View
Final sale: no returns
A
Retailer 3
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€481 EUR
$537 USD
View
Retailer 4
-
€533 EUR
$595 USD
View
Price last confirmed 61 days ago
A
Retailer 5
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€533 EUR
$595 USD
View
Retailer 6
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€540 EUR
$603 USD
View
Price last confirmed 15 days ago
A
Retailer 7
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€658 EUR
$735 USD
View
A
Retailer 8
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€668 EUR
£588 GBP
View
A
Retailer 9
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€770 EUR
View
A
Retailer 10
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€808 EUR
A$1,388 AUD
View
A
Retailer 11
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€831 EUR
$928 USD
View
A
Retailer 12
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€881 EUR
£775 GBP
View
A
Retailer 13
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€893 EUR
View
B+
Retailer 14
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€1,182 EUR
A$2,031 AUD
View
B+
Retailer 15
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€1,205 EUR
$1,346 USD
View
B+
Retailer 16
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€1,231 EUR
$1,375 USD
View
B+
Retailer 17
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€1,303 EUR
ZAR 23,515 ZAR
View
B+
Retailer 18
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€1,451 EUR
$1,621 USD
View
B
Retailer 19
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€1,711 EUR
$1,912 USD
View
B
Retailer 20
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€1,737 EUR
$1,940 USD
View
B
Retailer 21
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€1,867 EUR
$2,086 USD
View
B
Retailer 22
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€1,992 EUR
$2,225 USD
View
B+
Retailer 23
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€2,189 EUR
A$3,762 AUD
View
B+
Retailer 24
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€2,266 EUR
£1,993 GBP
View
Retailer 25
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€2,967 EUR
$3,315 USD
View
Price last confirmed 24 days ago
Most Expensive
Brilliant Earth
20608687A · Oct 28
€6,803 EUR
$7,600 USD
View
Price under review
25 more retailers have this diamond
Prices start from €430 EURSave up to €1,836 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.51ct Round
€430 EUR