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Oval|Natural|GIA

3.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 5506547817

Certificate GIA 5506547817

Diamond specifications and retailer prices

From $81,303 NZD
$45,745 USD
As of October 28, 2026
Save $65,307 NZD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $146,610 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 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 5506547817. Listed at 15 retailers as of October 28, 2026, with prices from $81,303 to $146,610, a $65,307 spread on the same certified stone. MOH London lists it at $146,610. 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
CertificateGIA 5506547817
Dimensions12.66 × 8.56 × 5.23 mm
L/W Ratio1.48
Top View
12.66 mm8.56 mm3.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5506547817
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.1%

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: Oct 28
Current: $146,610 NZD|Low: $78,228 NZD|High: $148,375 NZD|Avg: $101,166 NZD|-0.1%
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
November 2, 2026
Retailer 7$81,303 NZD
Retailer 4$83,650 NZD
Retailer 8$86,052 NZD
Retailer 13$93,875 NZD
Retailer 3$94,657 NZD
Retailer 2$94,680 NZD
Retailer 9$97,785 NZD
Retailer 11$97,785 NZD
Retailer 12$101,697 NZD
Retailer 10$105,609 NZD
Retailer 6$109,962 NZD
Retailer 5$118,086 NZD
MOH London$146,610 NZD

41 data points across 13 retailers

15 retailers$81,303 NZD to $146,610 NZD

A
Cheapest Retailer
-
$81,303 NZD
$45,745 USD
B+
Retailer 2
-
$85,074 NZD
$47,867 USD
View
B+
Retailer 3
-
$86,052 NZD
$48,417 USD
View
Final sale: no returns
B+
Retailer 4
-
$93,875 NZD
$52,819 USD
View
B+
Retailer 5
-
$94,657 NZD
$53,259 USD
View
B+
Retailer 6
-
$94,680 NZD
£41,946 GBP
View
B+
Retailer 7
-
$97,414 NZD
$54,810 USD
View
B+
Retailer 8
-
$97,414 NZD
$54,810 USD
View
B
Retailer 9
-
$97,785 NZD
$55,019 USD
View
B
Retailer 10
-
$97,785 NZD
$55,019 USD
View
B
Retailer 11
-
$100,648 NZD
$56,630 USD
View
B
Retailer 12
-
$101,697 NZD
$57,220 USD
View
B+
Retailer 13
-
$105,609 NZD
$59,421 USD
View
B+
Retailer 14
-
$109,962 NZD
€58,924 EUR
View
Most Expensive
B
MOH London
E6F5C2A29 · Nov 1
$146,610 NZD
£64,953 GBP
View
14 more retailers have this diamond
Prices start from $81,303 NZDSave up to $65,307 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
$81,303 NZD