Round|Natural|GIA

6.68ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5121746284

Certificate GIA 5121746284

Diamond specifications and retailer prices

From $114,500 SGD
$89,530 USD
As of October 18, 2026
5 retailers carry this diamond
Most expensive: $207,960 SGD at MOH London · As of October 19, 2026
View at MOH London

About this 6.68ct natural round diamond

This 6.68ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5121746284. Listed at 5 retailers as of October 18, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.68
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5121746284
Dimensions12.16 × 12.09 × 7.39 mm
L/W Ratio1.01
Top View
12.16 mm12.09 mm6.68 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5121746284
Side View
Table 60.0%CrownGirdle: ThinPavilionCulet: NoneDepth 61.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 18
Current: $207,960 SGD|Low: $114,500 SGD|High: $209,345 SGD|Avg: $140,711 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 5$114,500 SGD
Retailer 7$115,036 SGD
Retailer 2$120,391 SGD
Retailer 6$131,023 SGD
Retailer 4$136,334 SGD
Retailer 3$156,976 SGD
MOH London$207,960 SGD

36 data points across 7 retailers

5 retailers$114,500 SGD to $207,960 SGD

Retailer 1
-
$114,500 SGD
$89,530 USD
Price last confirmed 15 days ago
Retailer 2
-
$115,036 SGD
$89,949 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$120,391 SGD
₹8,965,346 INR
View
Price last confirmed 7 days ago
Retailer 4
-
$136,334 SGD
£83,939 GBP
View
Price last confirmed 13 days ago
Most Expensive
MOH London
0D0078F8B · Oct 19
$207,960 SGD
£128,038 GBP
View
Price last confirmed 14 days ago
4 more retailers have this diamond

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.

6.68ct Round
$114,500 SGD