Oval|Natural|GIA

3.51ct F SI2 Oval Natural Diamond

EX • F/SI2

Diamond specifications and retailer prices

From $70,120 NZD
$39,453 USD
As of November 2, 2026
Save $27,166 NZD (28%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $97,286 NZD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 3.51ct natural oval diamond

This 3.51ct natural oval sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 12 retailers as of November 2, 2026, with prices from $70,120 to $97,286, a $27,166 spread on the same certified stone. Moon Ocean lists it at $97,286. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions12.41 × 8.24 × 5.23 mm
L/W Ratio1.51
Top View
12.41 mm8.24 mm3.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $97,286 NZD|Low: $69,464 NZD|High: $98,277 NZD|Avg: $83,873 NZD|-0.1%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$70,120 NZD
Retailer 4$76,356 NZD
Retailer 11$79,104 NZD
Retailer 9$79,156 NZD
Retailer 7$82,399 NZD
Retailer 10$82,399 NZD
Retailer 8$85,632 NZD
Retailer 6$85,696 NZD
Retailer 3$88,991 NZD
Retailer 5$92,219 NZD
Moon Ocean$97,286 NZD

21 data points across 11 retailers

12 retailers$70,120 NZD to $97,286 NZD

A
Cheapest Retailer
-
$70,120 NZD
$39,453 USD
Retailer 2
-
$71,455 NZD
$40,204 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$76,356 NZD
CA$59,669 CAD
View
B+
Retailer 4
-
$79,104 NZD
$44,508 USD
View
B+
Retailer 5
-
$79,156 NZD
$44,537 USD
View
B+
Retailer 6
-
$82,399 NZD
$46,362 USD
View
B+
Retailer 7
-
$82,399 NZD
$46,362 USD
View
B+
Retailer 8
-
$85,632 NZD
$48,181 USD
View
B+
Retailer 9
-
$85,696 NZD
$48,217 USD
View
B+
Retailer 10
-
$88,991 NZD
$50,071 USD
View
B
Retailer 11
-
$92,219 NZD
$51,887 USD
View
Most Expensive
B
Moon Ocean
NVN-289FCEEE5-111 · Nov 2
$97,286 NZD
£43,101 GBP
View
11 more retailers have this diamond
Prices start from $70,120 NZDSave up to $27,166 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.

A
3.51ct Oval
$70,120 NZD