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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 HK$3,609 HKD
$460 USD
As of October 29, 2026
Save HK$21,654 HKD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$25,263 HKD 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 HK$3,609 to HK$25,263, a HK$21,654 spread on the same certified stone. Brilliant Earth lists it at HK$25,263. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$25,263 HKD|Low: HK$3,468 HKD|High: HK$25,263 HKD|Avg: HK$10,473 HKD
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 14HK$3,609 HKD
Retailer 5HK$4,472 HKD
Retailer 13HK$5,570 HKD
Retailer 2HK$5,902 HKD
Retailer 6HK$6,002 HKD
Retailer 8HK$6,796 HKD
Retailer 7HK$7,329 HKD
Retailer 10HK$9,934 HKD
Retailer 9HK$10,207 HKD
Retailer 12HK$10,792 HKD
Retailer 4HK$15,707 HKD
Retailer 11HK$16,530 HKD
Retailer 3HK$19,497 HKD
Brilliant EarthHK$25,263 HKD

35 data points across 14 retailers

24 retailersHK$3,609 HKD to HK$25,263 HKD

A
Cheapest Retailer
-
HK$3,609 HKD
$460 USD
A
Retailer 2
-
HK$4,033 HKD
$514 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,041 HKD
$515 USD
View
A
Retailer 4
-
HK$4,472 HKD
$570 USD
View
Retailer 5
-
HK$4,472 HKD
$570 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$5,570 HKD
$710 USD
View
A
Retailer 7
-
HK$5,902 HKD
£592 GBP
View
A
Retailer 8
-
HK$6,002 HKD
$765 USD
View
A
Retailer 9
-
HK$6,645 HKD
$847 USD
View
A
Retailer 10
-
HK$6,796 HKD
€825 EUR
View
B+
Retailer 11
-
HK$7,329 HKD
£736 GBP
View
B+
Retailer 12
-
HK$8,952 HKD
$1,141 USD
View
B+
Retailer 13
-
HK$9,934 HKD
A$1,948 AUD
View
B+
Retailer 14
-
HK$10,207 HKD
$1,301 USD
View
B+
Retailer 15
-
HK$10,356 HKD
$1,320 USD
View
B+
Retailer 16
-
HK$10,792 HKD
ZAR 22,222 ZAR
View
B
Retailer 17
-
HK$14,381 HKD
$1,833 USD
View
B
Retailer 18
-
HK$14,626 HKD
$1,864 USD
View
B
Retailer 19
-
HK$15,707 HKD
$2,002 USD
View
B
Retailer 20
-
HK$15,872 HKD
$2,023 USD
View
B
Retailer 21
-
HK$16,530 HKD
£1,659 GBP
View
B
Retailer 22
-
HK$16,743 HKD
$2,134 USD
View
Retailer 23
-
HK$19,497 HKD
$2,485 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
18124807A · Oct 31
HK$25,263 HKD
$3,220 USD
View
23 more retailers have this diamond
Prices start from HK$3,609 HKDSave up to HK$21,654 HKD

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
HK$3,609 HKD