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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 $60,078 SGD
CA$65,271 CAD
As of October 30, 2026
Save $39,117 SGD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $99,195 SGD 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 October 30, 2026, with prices from $60,078 to $99,195, a $39,117 spread on the same certified stone. MOH London lists it at $99,195. 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: Oct 30
Current: $99,195 SGD|Low: $42,227 SGD|High: $99,726 SGD|Avg: $63,329 SGD|+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 1, 2026
Retailer 12$42,227 SGD
Retailer 6$53,960 SGD
Retailer 18$54,407 SGD
Retailer 3$55,738 SGD
Retailer 10$56,202 SGD
Retailer 8$56,855 SGD
Retailer 7$57,059 SGD
Retailer 9$59,474 SGD
Retailer 17$60,078 SGD
Retailer 4$60,260 SGD
Retailer 11$64,022 SGD
Retailer 2$64,691 SGD
Retailer 19$65,283 SGD
Retailer 15$66,161 SGD
Retailer 14$67,376 SGD
Retailer 20$67,794 SGD
Retailer 16$72,558 SGD
Retailer 13$75,127 SGD
Retailer 5$77,140 SGD
MOH London$99,195 SGD

13 data points across 20 retailers

9 retailers$60,078 SGD to $99,195 SGD

B+
Cheapest Retailer
-
$60,078 SGD
CA$65,271 CAD
B+
Retailer 2
-
$64,691 SGD
£39,845 GBP
View
Retailer 3
-
$65,283 SGD
$51,066 USD
View
Price last confirmed 40 days ago
B
Retailer 4
-
$66,161 SGD
$51,753 USD
View
B
Retailer 5
-
$67,376 SGD
$52,703 USD
View
Retailer 6
-
$67,794 SGD
$53,030 USD
View
Price last confirmed 40 days ago
B
Retailer 7
-
$72,558 SGD
$56,757 USD
View
B
Retailer 8
-
$75,127 SGD
€55,968 EUR
View
Most Expensive
B
MOH London
4CA951700 · Nov 1
$99,195 SGD
£61,097 GBP
View
8 more retailers have this diamond
Prices start from $60,078 SGDSave up to $39,117 SGD

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
$60,078 SGD