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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 $18,290 USD
As of October 30, 2026
Save $23,892 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $46,615 USD 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
Color
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: $46,615 USD|Low: $11,996 USD|High: $87,030 USD|Avg: $34,946 USD|+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 8$11,996 USD
Retailer 18$18,290 USD
Retailer 17$19,022 USD
Retailer 21$19,022 USD
Retailer 4$19,174 USD
Retailer 7$20,408 USD
Retailer 20$21,739 USD
Retailer 6$21,766 USD
Retailer 16$21,814 USD
Retailer 15$23,268 USD
Retailer 3$29,240 USD
Retailer 14$29,598 USD
Retailer 10$29,859 USD
Retailer 13$36,714 USD
Retailer 5$37,380 USD
Retailer 2$42,182 USD
Aida Diamonds$46,615 USD
Retailer 11$56,386 USD
Retailer 12$61,925 USD
Retailer 9$65,311 USD
Retailer 19$85,220 USD

30 data points across 21 retailers

17 retailers$18,290 USD to $42,182 USD

Retailer 1
-
$11,996 USD
Price last confirmed 111 days ago
A
Retailer 2
-
$18,290 USD
View
B+
Retailer 3
-
$19,022 USD
View
A
Retailer 4
-
$19,022 USD
View
B+
Retailer 5
-
$19,174 USD
View
B+
Retailer 6
-
$20,408 USD
View
B+
Retailer 7
-
$20,941 USD
View
B+
Retailer 8
-
$21,739 USD
View
B+
Retailer 9
-
$21,766 USD
View
Final sale: no returns
B+
Retailer 10
-
$21,814 USD
View
B+
Retailer 11
-
$29,240 USD
View
B+
Retailer 12
-
$29,859 USD
View
B+
Retailer 13
-
$36,714 USD
£28,909 GBP
View
Retailer 14
-
$37,380 USD
A$57,508 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$42,182 USD
€40,173 EUR
View
Most Expensive
Aida Diamonds
487316656 · Oct 22
$46,615 USD
A$71,716 AUD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from $18,290 USDSave up to $23,892 USD

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
$18,290 USD