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Oval|Natural|GIA

0.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 1236628132

Certificate GIA 1236628132

Diamond specifications and retailer prices

From $740 CAD
$530 USD
As of October 30, 2026
Save $335 CAD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,076 CAD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded I 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 1236628132. Listed at 2 retailers as of October 30, 2026, with prices from $740 to $1,076, a $335 spread on the same certified stone. 77 Diamonds lists it at $1,076. 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

0.51
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1236628132
Dimensions5.92 × 4.52 × 2.97 mm
L/W Ratio1.31
Top View
5.92 mm4.52 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1236628132
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,076 CAD|Low: $733 CAD|High: $1,086 CAD|Avg: $909 CAD|+1.4%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2$740 CAD
77 Diamonds$1,076 CAD

33 data points across 2 retailers

2 retailers$740 CAD to $1,076 CAD

B+
Cheapest Retailer
-
$740 CAD
$530 USD
Most Expensive
B
77 Diamonds
OVMBQZQR3ZAG · Oct 31
$1,076 CAD
£606 GBP
View
1 more retailer has this diamond
Prices start from $740 CADSave up to $335 CAD

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+
0.51ct Oval
$740 CAD