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Round|Lab Grown|GIA

6.31ct E IF Round Lab Grown Diamond

EX • E/IF • GIA 3495168334

Certificate GIA 3495168334

Diamond specifications and retailer prices

From HK$143,498 HKD
$18,290 USD
As of October 30, 2026
Save HK$187,447 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$330,945 HKD at Yorxs · As of October 31, 2026
View at Yorxs

About this 6.31ct lab-grown round diamond

This 6.31ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3495168334. Listed at 16 retailers as of October 30, 2026, with prices from HK$143,498 to HK$330,945, a HK$187,447 spread on the same certified stone. Yorxs lists it at HK$330,945. 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

6.31
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 3495168334
Dimensions11.90 × 11.84 × 7.31 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.90 mm11.84 mm6.31 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3495168334
Side View
Table 56.0%Crown 34.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.6%

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 30
Current: HK$288,050 HKD|Low: HK$94,121 HKD|High: HK$682,811 HKD|Avg: HK$270,791 HKD|-1.6%
Retailer 1
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
Retailer 18
Retailer 19
Yorxs
October 31, 2026
Retailer 6HK$94,121 HKD
Retailer 15HK$143,498 HKD
Retailer 14HK$149,241 HKD
Retailer 18HK$149,241 HKD
Retailer 2HK$150,433 HKD
Retailer 5HK$160,115 HKD
Retailer 17HK$170,558 HKD
Retailer 4HK$170,770 HKD
Retailer 13HK$171,146 HKD
Retailer 12HK$182,554 HKD
Retailer 19HK$229,408 HKD
Retailer 11HK$232,214 HKD
Retailer 8HK$234,265 HKD
Retailer 1HK$288,050 HKD
Retailer 3HK$293,274 HKD
YorxsHK$330,945 HKD
Retailer 9HK$442,388 HKD
Retailer 10HK$485,842 HKD
Retailer 7HK$512,407 HKD
Retailer 16HK$668,611 HKD

29 data points across 20 retailers

16 retailersHK$143,498 HKD to HK$330,945 HKD

Retailer 1
-
HK$94,121 HKD
$11,996 USD
Price last confirmed 111 days ago
A
Retailer 2
-
HK$143,498 HKD
$18,290 USD
View
B+
Retailer 3
-
HK$149,241 HKD
$19,022 USD
View
A
Retailer 4
-
HK$149,241 HKD
$19,022 USD
View
B+
Retailer 5
-
HK$150,433 HKD
$19,174 USD
View
B+
Retailer 6
-
HK$160,115 HKD
$20,408 USD
View
B+
Retailer 7
-
HK$164,297 HKD
$20,941 USD
View
B+
Retailer 8
-
HK$170,558 HKD
$21,739 USD
View
B+
Retailer 9
-
HK$170,770 HKD
$21,766 USD
View
Final sale: no returns
B+
Retailer 10
-
HK$171,146 HKD
$21,814 USD
View
B+
Retailer 11
-
HK$229,408 HKD
$29,240 USD
View
B+
Retailer 12
-
HK$234,265 HKD
$29,859 USD
View
B+
Retailer 13
-
HK$288,050 HKD
£28,909 GBP
View
Retailer 14
-
HK$293,274 HKD
A$57,508 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Yorxs
504003693 · Oct 31
HK$330,945 HKD
€40,173 EUR
View
14 more retailers have this diamond
Prices start from HK$143,498 HKDSave up to HK$187,447 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
6.31ct Round
HK$143,498 HKD