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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG786657424

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786657424

Diamond specifications and retailer prices

From $683 AUD
$480 USD
As of October 29, 2026
Save $2,920 AUD (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,869 AUD 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 LG786657424 or 786657424. Listed at 25 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786657424
Dimensions8.79 × 8.83 × 5.30 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
8.79 mm8.83 mm2.51 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786657424
Side View
Table 57.0%Crown 31.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.1%

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: $8,869 AUD|Low: $665 AUD|High: $8,869 AUD|Avg: $2,127 AUD
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 6$683 AUD
Retailer 7$763 AUD
Retailer 17$764 AUD
Retailer 15$858 AUD
Retailer 11$1,061 AUD
Retailer 21$1,063 AUD
Retailer 9$1,236 AUD
Retailer 14$1,284 AUD
Retailer 19$1,321 AUD
Retailer 22$1,401 AUD
Retailer 3$1,879 AUD
Retailer 16$1,916 AUD
Retailer 13$1,957 AUD
Retailer 10$2,072 AUD
Retailer 5$2,473 AUD
Retailer 2$2,722 AUD
Retailer 4$2,762 AUD
Retailer 20$2,969 AUD
Retailer 18$3,168 AUD
Retailer 8$3,603 AUD
Retailer 12$4,719 AUD
Brilliant Earth$8,869 AUD

32 data points across 22 retailers

25 retailers$683 AUD to $3,603 AUD

A
Cheapest Retailer
-
$683 AUD
$480 USD
A
Retailer 2
-
$763 AUD
$536 USD
View
Final sale: no returns
A
Retailer 3
-
$764 AUD
$537 USD
View
Retailer 4
-
$847 AUD
$595 USD
View
Price last confirmed 60 days ago
A
Retailer 5
-
$858 AUD
$603 USD
View
Retailer 6
-
$858 AUD
$603 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,061 AUD
$745 USD
View
A
Retailer 8
-
$1,063 AUD
£588 GBP
View
A
Retailer 9
-
$1,236 AUD
€827 EUR
View
A
Retailer 10
-
$1,284 AUD
View
A
Retailer 11
-
$1,321 AUD
$928 USD
View
A
Retailer 12
-
$1,401 AUD
£775 GBP
View
B+
Retailer 13
-
$1,879 AUD
View
B+
Retailer 14
-
$1,916 AUD
$1,346 USD
View
B+
Retailer 15
-
$1,957 AUD
$1,375 USD
View
B+
Retailer 16
-
$2,072 AUD
ZAR 23,515 ZAR
View
B+
Retailer 17
-
$2,308 AUD
$1,621 USD
View
B+
Retailer 18
-
$2,473 AUD
£1,368 GBP
View
B+
Retailer 19
-
$2,722 AUD
$1,912 USD
View
B
Retailer 20
-
$2,762 AUD
$1,940 USD
View
B
Retailer 21
-
$2,969 AUD
$2,086 USD
View
B
Retailer 22
-
$3,168 AUD
$2,225 USD
View
B
Retailer 23
-
$3,603 AUD
£1,993 GBP
View
Retailer 24
-
$4,719 AUD
$3,315 USD
View
Price last confirmed 23 days ago
Most Expensive
Brilliant Earth
20608598A · Oct 28
$8,869 AUD
$6,230 USD
View
Price under review
24 more retailers have this diamond
Prices start from $683 AUDSave up to $2,920 AUD

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
$683 AUD