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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG788621384

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621384

Diamond specifications and retailer prices

From $1,075 AUD
$755 USD
As of October 30, 2026
Save $3,639 AUD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $10,834 AUD at Brilliant Earth · As of October 16, 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 LG788621384 or 788621384. Listed at 26 retailers as of October 29, 2026, with a 339% 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 angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621384
Dimensions8.77 × 8.86 × 5.25 mm
L/W Ratio1.01
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
8.77 mm8.86 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621384
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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 30
Current: $10,834 AUD|Low: $921 AUD|High: $10,834 AUD|Avg: $2,559 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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 4$960 AUD
Retailer 7$1,113 AUD
Retailer 16$1,113 AUD
Retailer 9$1,494 AUD
Retailer 8$1,592 AUD
Retailer 15$1,594 AUD
Retailer 14$1,719 AUD
Retailer 10$1,775 AUD
Retailer 13$1,975 AUD
Retailer 3$2,487 AUD
Retailer 2$2,642 AUD
Retailer 12$2,871 AUD
Retailer 6$3,587 AUD
Retailer 5$3,664 AUD
Retailer 11$4,713 AUD
Brilliant Earth$10,834 AUD

32 data points across 16 retailers

26 retailers$1,075 AUD to $4,713 AUD

Retailer 1
-
$960 AUD
$674 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,043 AUD
$733 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,075 AUD
$755 USD
View
Final sale: no returns
Retailer 4
-
$1,113 AUD
$782 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$1,113 AUD
$782 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$1,113 AUD
$782 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,494 AUD
£826 GBP
View
A
Retailer 8
-
$1,515 AUD
$1,064 USD
View
A
Retailer 9
-
$1,592 AUD
$1,118 USD
View
A
Retailer 10
-
$1,594 AUD
$1,120 USD
View
B+
Retailer 11
-
$1,719 AUD
View
B+
Retailer 12
-
$1,775 AUD
£982 GBP
View
B+
Retailer 13
-
$1,975 AUD
€1,321 EUR
View
B+
Retailer 14
-
$2,050 AUD
$1,440 USD
View
B+
Retailer 15
-
$2,487 AUD
$1,747 USD
View
B
Retailer 16
-
$2,642 AUD
View
B+
Retailer 17
-
$2,871 AUD
ZAR 32,582 ZAR
View
Retailer 18
-
$3,129 AUD
$2,198 USD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$3,587 AUD
$2,520 USD
View
Retailer 20
-
$3,664 AUD
View
Price last confirmed 23 days ago
B
Retailer 21
-
$3,742 AUD
SGD 3,552 SGD
View
B
Retailer 22
-
$3,797 AUD
$2,667 USD
View
B
Retailer 23
-
$3,839 AUD
$2,697 USD
View
B
Retailer 24
-
$3,852 AUD
$2,706 USD
View
B
Retailer 25
-
$4,713 AUD
£2,607 GBP
View
Most Expensive
Brilliant Earth
19705661A · Oct 16
$10,834 AUD
$7,610 USD
View
Price under review
25 more retailers have this diamond
Prices start from $1,075 AUDSave up to $3,639 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
$1,075 AUD