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Oval|Natural|GIA

6.50ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6552542988

Certificate GIA 6552542988

Diamond specifications and retailer prices

From $201,783 SGD
$157,840 USD
As of October 28, 2026
Save $162,117 SGD (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $363,900 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 6.5ct natural oval diamond

This 6.5ct natural oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552542988. Listed at 22 retailers as of October 28, 2026, with prices from $201,783 to $363,900, a $162,117 spread on the same certified stone. MOH London lists it at $363,900. 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

6.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle42.37°
Pavilion angle37.64°
OriginNatural
Grading LabGIA
CertificateGIA 6552542988
Dimensions14.27 × 10.18 × 6.55 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
14.27 mm10.18 mm6.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552542988
Side View
Table 65.0%Crown 42.37°Girdle: STK-VTKPavilion 37.64°Culet: NoneDepth 64.3%

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 28
Current: $363,900 SGD|Low: $169,722 SGD|High: $365,848 SGD|Avg: $222,585 SGD|+18.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 1, 2026
Retailer 14$169,722 SGD
Retailer 12$180,602 SGD
Retailer 10$184,192 SGD
Retailer 15$185,345 SGD
Retailer 21$201,783 SGD
Retailer 17$207,291 SGD
Retailer 16$207,763 SGD
Retailer 3$209,182 SGD
Retailer 9$209,705 SGD
Retailer 7$212,222 SGD
Retailer 11$213,105 SGD
Retailer 5$224,813 SGD
Retailer 19$228,277 SGD
Retailer 4$233,006 SGD
Retailer 23$242,714 SGD
Retailer 24$242,714 SGD
Retailer 8$243,786 SGD
Retailer 2$251,455 SGD
Retailer 22$252,423 SGD
Retailer 6$262,131 SGD
Retailer 18$273,610 SGD
Retailer 13$281,927 SGD
Retailer 20$288,344 SGD
MOH London$363,900 SGD

25 data points across 24 retailers

22 retailers$201,783 SGD to $363,900 SGD

Retailer 1
-
$169,722 SGD
HK$1,037,200 HKD
Price last confirmed 27 days ago
Retailer 2
-
$180,602 SGD
A$217,342 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
$201,783 SGD
$157,840 USD
View
Retailer 4
-
$207,291 SGD
$162,149 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$207,763 SGD
$162,518 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
$209,182 SGD
$163,628 USD
View
B
Retailer 7
-
$209,705 SGD
$164,037 USD
View
Final sale: no returns
B+
Retailer 8
-
$212,222 SGD
$166,006 USD
View
Retailer 9
-
$217,920 SGD
$170,463 USD
View
Price last confirmed 61 days ago
B
Retailer 10
-
$224,813 SGD
$175,855 USD
View
B+
Retailer 11
-
$228,277 SGD
£140,602 GBP
View
Retailer 12
-
$233,006 SGD
$182,264 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$242,714 SGD
$189,858 USD
View
B
Retailer 14
-
$242,714 SGD
$189,858 USD
View
B
Retailer 15
-
$243,786 SGD
$190,696 USD
View
B
Retailer 16
-
$251,455 SGD
£154,878 GBP
View
B
Retailer 17
-
$252,423 SGD
$197,452 USD
View
B
Retailer 18
-
$262,131 SGD
$205,046 USD
View
B
Retailer 19
-
$273,610 SGD
€203,834 EUR
View
B
Retailer 20
-
$281,927 SGD
ZAR 3,562,706 ZAR
View
B
Retailer 21
-
$288,344 SGD
$225,551 USD
View
Most Expensive
B
MOH London
219EBFA70 · Nov 1
$363,900 SGD
£224,136 GBP
View
21 more retailers have this diamond
Prices start from $201,783 SGDSave up to $162,117 SGD

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+
6.50ct Oval
$201,783 SGD