Oval|Natural|GIA

1.23ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 3555616415

Certificate GIA 3555616415

Diamond specifications and retailer prices

From $3,663 USD
As of November 6, 2026
Save $1,537 USD (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,200 USD at 77 Diamonds · As of November 6, 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 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 3555616415. Listed at 3 retailers as of November 6, 2026, with prices from $3,663 to $5,200, a $1,537 spread on the same certified stone. 77 Diamonds lists it at $5,200. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle40.77°
OriginNatural
Grading LabGIA
CertificateGIA 3555616415
Dimensions8.20 × 5.98 × 3.82 mm
L/W Ratio1.37
Culet sizeNone
Top View
8.20 mm5.98 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555616415
Side View
Table 60.0%Crown 39.8°Girdle: MED-THKPavilion 40.77°Culet: NoneDepth 63.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $5,200 USD|Low: $2,260 USD|High: $6,000 USD|Avg: $4,038 USD|+1.1%
77 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
November 6, 2026
Retailer 13$2,260 USD
Retailer 6$3,156 USD
Retailer 10$3,304 USD
Retailer 7$3,310 USD
Retailer 3$3,663 USD
Retailer 12$3,689 USD
Retailer 9$3,985 USD
Retailer 2$4,072 USD
Retailer 5$4,347 USD
Retailer 11$4,407 USD
Retailer 8$5,064 USD
77 Diamonds$5,200 USD
Retailer 4$6,000 USD

33 data points across 13 retailers

3 retailers$3,663 USD to $5,200 USD

B+
Cheapest Retailer
-
$3,663 USD
B
Retailer 2
-
$4,072 USD
View
Most Expensive
B
77 Diamonds
OVMBNU8JVFUT · Nov 6
$5,200 USD
£4,094 GBP
View
2 more retailers have this diamond
Prices start from $3,663 USDSave up to $1,537 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+
1.23ct Oval
$3,663 USD