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Round|Lab Grown|GIA

12.05ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • GIA 5231021488

Certificate GIA 5231021488

Diamond specifications and retailer prices

From HK$64,531 HKD
$8,225 USD
As of October 29, 2026
Save HK$154,678 HKD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$219,209 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown round diamond

This 12.05ct 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 GIA 5231021488. Listed at 14 retailers as of October 29, 2026, with prices from HK$64,531 to HK$219,209, a HK$154,678 spread on the same certified stone. Brilliant Earth lists it at HK$219,209. 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

12.05
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 5231021488
Dimensions14.80 × 14.78 × 9.00 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
14.80 mm14.78 mm12.05 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231021488
Side View
Table 58.0%Crown 34°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$219,209 HKD|Low: HK$54,057 HKD|High: HK$402,641 HKD|Avg: HK$150,188 HKD|-3.5%
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
Retailer 17
October 31, 2026
Retailer 12HK$54,057 HKD
Retailer 14HK$64,531 HKD
Retailer 3HK$67,112 HKD
Retailer 17HK$67,426 HKD
Retailer 15HK$82,168 HKD
Retailer 10HK$82,184 HKD
Retailer 13HK$83,259 HKD
Retailer 4HK$92,917 HKD
Retailer 2HK$131,305 HKD
Retailer 7HK$132,877 HKD
Retailer 16HK$133,679 HKD
Retailer 9HK$158,667 HKD
Retailer 11HK$201,682 HKD
Retailer 5HK$215,893 HKD
Brilliant EarthHK$219,209 HKD
Retailer 8HK$320,896 HKD
Retailer 6HK$402,641 HKD

27 data points across 17 retailers

14 retailersHK$64,531 HKD to HK$219,209 HKD

Retailer 1
-
HK$54,057 HKD
$6,890 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
HK$64,531 HKD
$8,225 USD
View
B+
Retailer 3
-
HK$67,112 HKD
$8,554 USD
View
B+
Retailer 4
-
HK$67,426 HKD
$8,594 USD
View
B+
Retailer 5
-
HK$82,168 HKD
$10,473 USD
View
B+
Retailer 6
-
HK$82,184 HKD
$10,475 USD
View
B+
Retailer 7
-
HK$83,259 HKD
$10,612 USD
View
B
Retailer 8
-
HK$92,917 HKD
$11,843 USD
View
B
Retailer 9
-
HK$131,305 HKD
€15,939 EUR
View
Retailer 10
-
HK$133,679 HKD
A$26,213 AUD
View
Price last confirmed 31 days ago
B
Retailer 11
-
HK$201,682 HKD
$25,706 USD
View
B
Retailer 12
-
HK$215,893 HKD
$27,517 USD
View
Most Expensive
B
Brilliant Earth
16301247A · Oct 31
HK$219,209 HKD
$27,940 USD
View
12 more retailers have this diamond
Prices start from HK$64,531 HKDSave up to HK$154,678 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.

B+
12.05ct Round
HK$64,531 HKD