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Round|Lab Grown|IGI

2.51ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG778663954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778663954

Diamond specifications and retailer prices

From $816 NZD
$460 USD
As of October 29, 2026
Save $4,897 NZD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,713 NZD at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778663954 or 778663954. Listed at 24 retailers as of October 29, 2026, with prices from $816 to $5,713, a $4,897 spread on the same certified stone. Brilliant Earth lists it at $5,713. 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
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778663954
Dimensions8.67 × 8.74 × 5.39 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 Faint Blue
Top View
8.67 mm8.74 mm2.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778663954
Side View
Table 56.0%Crown 35.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

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: $5,713 NZD|Low: $784 NZD|High: $5,713 NZD|Avg: $2,372 NZD
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
November 1, 2026
Retailer 3$816 NZD
Retailer 5$1,011 NZD
Retailer 14$1,260 NZD
Retailer 8$1,335 NZD
Retailer 6$1,357 NZD
Retailer 10$1,537 NZD
Retailer 9$1,657 NZD
Retailer 12$2,247 NZD
Retailer 11$2,308 NZD
Retailer 13$2,441 NZD
Retailer 4$3,552 NZD
Retailer 2$3,718 NZD
Retailer 7$4,365 NZD
Brilliant Earth$5,713 NZD

35 data points across 14 retailers

24 retailers$816 NZD to $5,713 NZD

A
Cheapest Retailer
-
$816 NZD
$460 USD
A
Retailer 2
-
$912 NZD
$514 USD
View
Final sale: no returns
A
Retailer 3
-
$914 NZD
$515 USD
View
A
Retailer 4
-
$1,011 NZD
$570 USD
View
Retailer 5
-
$1,011 NZD
$570 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,260 NZD
$710 USD
View
A
Retailer 7
-
$1,335 NZD
£592 GBP
View
A
Retailer 8
-
$1,357 NZD
$765 USD
View
A
Retailer 9
-
$1,503 NZD
$847 USD
View
A
Retailer 10
-
$1,537 NZD
€825 EUR
View
B+
Retailer 11
-
$1,657 NZD
£736 GBP
View
B+
Retailer 12
-
$2,024 NZD
$1,141 USD
View
B+
Retailer 13
-
$2,247 NZD
A$1,948 AUD
View
B+
Retailer 14
-
$2,308 NZD
$1,301 USD
View
B+
Retailer 15
-
$2,342 NZD
$1,320 USD
View
B+
Retailer 16
-
$2,441 NZD
ZAR 22,222 ZAR
View
B
Retailer 17
-
$3,252 NZD
$1,833 USD
View
B
Retailer 18
-
$3,308 NZD
$1,864 USD
View
B
Retailer 19
-
$3,552 NZD
$2,002 USD
View
B
Retailer 20
-
$3,589 NZD
$2,023 USD
View
B
Retailer 21
-
$3,718 NZD
£1,650 GBP
View
B
Retailer 22
-
$3,786 NZD
$2,134 USD
View
B
Retailer 23
-
$4,365 NZD
$2,460 USD
View
Most Expensive
B
Brilliant Earth
18124807A · Oct 31
$5,713 NZD
$3,220 USD
View
23 more retailers have this diamond
Prices start from $816 NZDSave up to $4,897 NZD

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
$816 NZD