Round|Lab Grown|GIA

6.30ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 6233746826

Certificate GIA 6233746826

Diamond specifications and retailer prices

From $27,406 USD
As of October 31, 2026
Save $29,339 USD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $56,745 USD at MOH London · As of October 29, 2026
View at MOH London

About this 6.3ct lab-grown round diamond

This 6.3ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6233746826. Listed at 12 retailers as of October 29, 2026, with prices from $27,406 to $56,745, a $29,339 spread on the same certified stone. MOH London lists it at $56,745. 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

6.30
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 6233746826
Dimensions11.87 × 11.81 × 7.33 mm
L/W Ratio1.01
Top View
11.87 mm11.81 mm6.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233746826
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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 31
Current: $56,745 USD|Low: $18,048 USD|High: $182,140 USD|Avg: $58,263 USD|-7.5%
MOH London
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
October 31, 2026
Retailer 4$27,406 USD
Retailer 15$29,900 USD
Retailer 11$35,404 USD
Retailer 2$35,800 USD
Retailer 13$35,800 USD
Retailer 9$36,086 USD
Retailer 6$39,757 USD
Retailer 10$40,914 USD
Retailer 3$41,651 USD
Retailer 12$47,100 USD
MOH London$56,745 USD
Retailer 7$78,367 USD
Retailer 5$84,360 USD
Retailer 14$108,360 USD
Retailer 8$160,380 USD

24 data points across 15 retailers

12 retailers$27,406 USD to $56,745 USD

B+
Cheapest Retailer
-
$27,406 USD
Final sale: no returns
Retailer 2
-
$29,900 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$35,404 USD
View
B+
Retailer 4
-
$35,800 USD
View
B+
Retailer 5
-
$35,800 USD
View
B+
Retailer 6
-
$36,086 USD
View
B+
Retailer 7
-
$40,914 USD
View
B
Retailer 8
-
$41,651 USD
View
B+
Retailer 9
-
$47,100 USD
View
Most Expensive
B
MOH London
6233746826 · Oct 29
$56,745 USD
£44,681 GBP
View
9 more retailers have this diamond
Prices start from $27,406 USDSave up to $29,339 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.

B+
6.30ct Round
$27,406 USD