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Oval|Natural|GIA

1.23ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6452496611

Certificate GIA 6452496611

Diamond specifications and retailer prices

From $6,493 SGD
$5,077 USD
As of November 2, 2026
Save $1,995 SGD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,488 SGD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452496611. Listed at 5 retailers as of November 1, 2026, with prices from $6,493 to $8,488, a $1,995 spread on the same certified stone. 77 Diamonds lists it at $8,488. 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

1.23
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6452496611
Dimensions8.07 × 5.84 × 3.82 mm
L/W Ratio1.38
Top View
8.07 mm5.84 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6452496611
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $8,488 SGD|Low: $5,902 SGD|High: $8,543 SGD|Avg: $7,502 SGD|+0.7%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2$6,493 SGD
Retailer 3$7,708 SGD
77 Diamonds$8,488 SGD

35 data points across 3 retailers

5 retailers$6,493 SGD to $8,488 SGD

B
Cheapest Retailer
-
$6,493 SGD
$5,077 USD
Final sale: no returns
B
Retailer 2
-
$6,517 SGD
$5,096 USD
View
B
Retailer 3
-
$7,708 SGD
$6,027 USD
View
B
Retailer 4
-
$8,236 SGD
$6,440 USD
View
Most Expensive
B
77 Diamonds
OVMBEGZTSSKU · Nov 1
$8,488 SGD
£5,226 GBP
View
4 more retailers have this diamond
Prices start from $6,493 SGDSave up to $1,995 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
1.23ct Oval
$6,493 SGD