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Round|Lab Grown|GIA

6.31ct E IF Round Lab Grown Diamond

EX • E/IF • GIA 1489014294

Certificate GIA 1489014294

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)
17 retailers carry this diamond
Most expensive: HK$365,730 HKD at Aida Diamonds · As of October 22, 2026
View at Aida Diamonds

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 1489014294. Listed at 17 retailers as of October 30, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1489014294
Dimensions11.95 × 11.92 × 7.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
11.95 mm11.92 mm6.31 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489014294
Side View
Table 58.0%Crown 34°Girdle: ThickPavilion 40.8°Culet: NoneDepth 60.8%

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$365,730 HKD|Low: HK$94,121 HKD|High: HK$682,811 HKD|Avg: HK$274,175 HKD|+0.0%
Aida Diamonds
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
Retailer 20
Retailer 21
October 31, 2026
Retailer 8HK$94,121 HKD
Retailer 18HK$143,498 HKD
Retailer 17HK$149,241 HKD
Retailer 21HK$149,241 HKD
Retailer 4HK$150,433 HKD
Retailer 7HK$160,115 HKD
Retailer 20HK$170,558 HKD
Retailer 6HK$170,770 HKD
Retailer 16HK$171,146 HKD
Retailer 15HK$182,554 HKD
Retailer 3HK$229,408 HKD
Retailer 14HK$232,214 HKD
Retailer 10HK$234,265 HKD
Retailer 13HK$288,050 HKD
Retailer 5HK$293,274 HKD
Retailer 2HK$330,945 HKD
Aida DiamondsHK$365,730 HKD
Retailer 11HK$442,388 HKD
Retailer 12HK$485,842 HKD
Retailer 9HK$512,407 HKD
Retailer 19HK$668,611 HKD

30 data points across 21 retailers

17 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
B
Retailer 15
-
HK$330,945 HKD
€40,173 EUR
View
Most Expensive
Aida Diamonds
487316656 · Oct 22
HK$365,730 HKD
A$71,716 AUD
View
Price last confirmed 9 days ago
15 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