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Round|Lab Grown|IGI

12.55ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • IGI LG788637051

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788637051

Diamond specifications and retailer prices

From HK$30,931 HKD
As of October 31, 2026
Save HK$178,785 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$209,716 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.55ct lab-grown round diamond

This 12.55ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788637051 or 788637051. Listed at 17 retailers as of October 31, 2026, with prices from HK$30,931 to HK$209,716, a HK$178,785 spread on the same certified stone. Brilliant Earth lists it at HK$209,716. 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

12.55
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788637051
Dimensions15.09 × 15.16 × 8.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.09 mm15.16 mm12.55 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788637051
Side View
Table 62.0%Crown 32.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.0%

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 31
Current: HK$209,716 HKD|Low: HK$25,624 HKD|High: HK$209,716 HKD|Avg: HK$60,558 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
Retailer 15
Retailer 16
November 1, 2026
Retailer 8HK$25,624 HKD
Retailer 4HK$26,040 HKD
Retailer 7HK$27,319 HKD
Retailer 12HK$30,931 HKD
Retailer 11HK$34,144 HKD
Retailer 13HK$34,600 HKD
Retailer 14HK$36,085 HKD
Retailer 10HK$40,308 HKD
Retailer 16HK$41,927 HKD
Retailer 3HK$46,512 HKD
Retailer 6HK$48,996 HKD
Retailer 5HK$67,755 HKD
Retailer 15HK$79,446 HKD
Retailer 2HK$90,536 HKD
Retailer 9HK$132,231 HKD
Brilliant EarthHK$209,716 HKD

34 data points across 16 retailers

17 retailersHK$30,931 HKD to HK$209,716 HKD

Retailer 1
-
HK$23,553 HKD
$3,002 USD
Price last confirmed 21 days ago
Retailer 2
-
HK$25,624 HKD
$3,266 USD
View
Price last confirmed 18 days ago
Retailer 3
-
HK$27,319 HKD
$3,482 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
HK$30,931 HKD
View
Retailer 5
-
HK$34,137 HKD
$4,351 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
HK$34,144 HKD
$4,352 USD
View
A
Retailer 7
-
HK$34,600 HKD
$4,410 USD
View
A
Retailer 8
-
HK$36,085 HKD
£3,622 GBP
View
A
Retailer 9
-
HK$40,308 HKD
€4,893 EUR
View
A
Retailer 10
-
HK$41,927 HKD
$5,344 USD
View
A
Retailer 11
-
HK$46,512 HKD
£4,668 GBP
View
Retailer 12
-
HK$48,996 HKD
$6,245 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
HK$67,755 HKD
$8,636 USD
View
B+
Retailer 14
-
HK$79,446 HKD
$10,126 USD
View
B
Retailer 15
-
HK$90,536 HKD
SGD 15,594 SGD
View
B
Retailer 16
-
HK$132,231 HKD
$16,854 USD
View
Most Expensive
B
Brilliant Earth
18572424A · Oct 31
HK$209,716 HKD
$26,730 USD
View
16 more retailers have this diamond
Prices start from HK$30,931 HKDSave up to HK$178,785 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
12.55ct Round
HK$30,931 HKD