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Oval|Natural|GIA

3.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1539949966

Certificate GIA 1539949966

Diamond specifications and retailer prices

From $83,524 NZD
CA$65,271 CAD
As of November 2, 2026
Save $54,382 NZD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $137,906 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct natural oval diamond

This 3.51ct natural oval sits in the three to five carat band, graded H 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 1539949966. Listed at 9 retailers as of November 1, 2026, with prices from $83,524 to $137,906, a $54,382 spread on the same certified stone. MOH London lists it at $137,906. 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

3.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539949966
Dimensions11.83 × 8.46 × 5.33 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
11.83 mm8.46 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1539949966
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.0%

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: Nov 2
Current: $137,906 NZD|Low: $58,706 NZD|High: $138,644 NZD|Avg: $88,093 NZD|+5.3%
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
November 2, 2026
Retailer 12$58,706 NZD
Retailer 6$75,018 NZD
Retailer 18$75,640 NZD
Retailer 3$77,490 NZD
Retailer 10$78,135 NZD
Retailer 8$79,042 NZD
Retailer 7$79,326 NZD
Retailer 9$82,684 NZD
Retailer 17$83,524 NZD
Retailer 4$83,777 NZD
Retailer 11$89,006 NZD
Retailer 13$89,936 NZD
Retailer 19$90,760 NZD
Retailer 15$91,981 NZD
Retailer 14$93,669 NZD
Retailer 20$94,250 NZD
Retailer 16$100,874 NZD
Retailer 2$104,770 NZD
Retailer 5$107,245 NZD
MOH London$137,906 NZD

14 data points across 20 retailers

9 retailers$83,524 NZD to $137,906 NZD

B+
Cheapest Retailer
-
$83,524 NZD
CA$65,271 CAD
B+
Retailer 2
-
$89,936 NZD
£39,845 GBP
View
Retailer 3
-
$90,760 NZD
$51,066 USD
View
Price last confirmed 41 days ago
B
Retailer 4
-
$91,981 NZD
$51,753 USD
View
B
Retailer 5
-
$93,669 NZD
$52,703 USD
View
Retailer 6
-
$94,250 NZD
$53,030 USD
View
Price last confirmed 41 days ago
B
Retailer 7
-
$100,874 NZD
$56,757 USD
View
B
Retailer 8
-
$104,770 NZD
€56,142 EUR
View
Most Expensive
B
MOH London
4CA951700 · Nov 1
$137,906 NZD
£61,097 GBP
View
8 more retailers have this diamond
Prices start from $83,524 NZDSave up to $54,382 NZD

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+
3.51ct Oval
$83,524 NZD