CaratHunter
Plans
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 €431 EUR
$480 USD
As of October 29, 2026
Save €1,843 EUR (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €6,828 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €6,828 EUR|Low: €431 EUR|High: €6,828 EUR|Avg: €1,603 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 16€431 EUR
Retailer 17€482 EUR
Retailer 5€669 EUR
Retailer 12€671 EUR
Retailer 9€811 EUR
Retailer 2€834 EUR
Retailer 13€884 EUR
Retailer 18€896 EUR
Retailer 14€1,186 EUR
Retailer 4€1,308 EUR
Retailer 6€1,456 EUR
Retailer 15€1,743 EUR
Retailer 11€1,874 EUR
Retailer 10€2,027 EUR
Retailer 7€2,216 EUR
Retailer 3€2,274 EUR
Retailer 8€2,978 EUR
Brilliant Earth€6,828 EUR

32 data points across 18 retailers

26 retailers€431 EUR to €2,274 EUR

A
Cheapest Retailer
-
€431 EUR
$480 USD
A
Retailer 2
-
€482 EUR
$536 USD
View
Final sale: no returns
A
Retailer 3
-
€490 EUR
$545 USD
View
Retailer 4
-
€535 EUR
$595 USD
View
Price last confirmed 59 days ago
A
Retailer 5
-
€542 EUR
$603 USD
View
Retailer 6
-
€542 EUR
$603 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
€669 EUR
$745 USD
View
A
Retailer 8
-
€671 EUR
£588 GBP
View
A
Retailer 9
-
€780 EUR
View
A
Retailer 10
-
€811 EUR
A$1,388 AUD
View
A
Retailer 11
-
€834 EUR
$928 USD
View
A
Retailer 12
-
€884 EUR
£775 GBP
View
A
Retailer 13
-
€896 EUR
View
Retailer 14
-
€1,119 EUR
$1,245 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
€1,186 EUR
A$2,031 AUD
View
B+
Retailer 16
-
€1,237 EUR
$1,377 USD
View
B+
Retailer 17
-
€1,308 EUR
ZAR 23,515 ZAR
View
B+
Retailer 18
-
€1,425 EUR
$1,586 USD
View
B+
Retailer 19
-
€1,456 EUR
$1,621 USD
View
B
Retailer 20
-
€1,743 EUR
$1,940 USD
View
B
Retailer 21
-
€1,874 EUR
$2,086 USD
View
B
Retailer 22
-
€2,027 EUR
$2,256 USD
View
Retailer 23
-
€2,216 EUR
A$3,795 AUD
View
Price last confirmed 22 days ago
B+
Retailer 24
-
€2,274 EUR
£1,993 GBP
View
Retailer 25
-
€2,978 EUR
$3,315 USD
View
Price last confirmed 22 days ago
Most Expensive
Brilliant Earth
20608687A · Oct 28
€6,828 EUR
$7,600 USD
View
Price under review
25 more retailers have this diamond
Prices start from €431 EURSave up to €1,843 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
€431 EUR