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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7552514727

Certificate GIA 7552514727

Diamond specifications and retailer prices

From $5,410 SGD
$4,232 USD
As of October 31, 2026
Save $8,606 SGD (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $14,016 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded H 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 7552514727. Listed at 25 retailers as of October 30, 2026, with prices from $5,410 to $14,016, a $8,606 spread on the same certified stone. NZ Jewellers lists it at $14,016. 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

1.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.28°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 7552514727
Dimensions8.97 × 6.40 × 3.98 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.97 mm6.40 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7552514727
Side View
Table 59.0%Crown 40.28°Girdle: STK-THKPavilion 39.21°Culet: NoneDepth 62.3%

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 31
Current: $8,038 SGD|Low: $6,424 SGD|High: $12,495 SGD|Avg: $8,267 SGD|-0.4%
Retailer 1
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
November 2, 2026
Retailer 14$6,547 SGD
Retailer 10$6,626 SGD
Retailer 11$7,008 SGD
Retailer 2$7,322 SGD
Retailer 3$7,729 SGD
Retailer 6$7,912 SGD
Retailer 1$8,038 SGD
Retailer 7$8,119 SGD
Retailer 4$8,463 SGD
Retailer 13$8,463 SGD
Retailer 9$8,618 SGD
Retailer 12$8,744 SGD
Retailer 5$8,760 SGD
Retailer 8$12,347 SGD

38 data points across 14 retailers

25 retailers$5,410 SGD to $14,016 SGD

A
Cheapest Retailer
-
$5,410 SGD
$4,232 USD
A
Retailer 2
-
$6,383 SGD
$4,993 USD
View
A
Retailer 3
-
$6,547 SGD
$5,121 USD
View
B+
Retailer 4
-
$6,621 SGD
$5,179 USD
View
B+
Retailer 5
-
$6,626 SGD
$5,183 USD
View
B+
Retailer 6
-
$6,708 SGD
$5,247 USD
View
B+
Retailer 7
-
$7,008 SGD
$5,482 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,322 SGD
CA$7,955 CAD
View
B+
Retailer 9
-
$7,435 SGD
$5,816 USD
View
B+
Retailer 10
-
$7,490 SGD
$5,859 USD
View
B+
Retailer 11
-
$7,592 SGD
$5,939 USD
View
B+
Retailer 12
-
$7,592 SGD
$5,939 USD
View
B+
Retailer 13
-
$7,592 SGD
$5,939 USD
View
B+
Retailer 14
-
$7,729 SGD
$6,046 USD
View
B+
Retailer 15
-
$7,912 SGD
$6,189 USD
View
B+
Retailer 16
-
$8,038 SGD
£4,951 GBP
View
B+
Retailer 17
-
$8,119 SGD
£5,001 GBP
View
B+
Retailer 18
-
$8,463 SGD
$6,620 USD
View
B+
Retailer 19
-
$8,463 SGD
$6,620 USD
View
B+
Retailer 20
-
$8,618 SGD
€6,420 EUR
View
B+
Retailer 21
-
$8,744 SGD
$6,840 USD
View
B+
Retailer 22
-
$8,760 SGD
$6,852 USD
View
B
Retailer 23
-
$12,146 SGD
$9,501 USD
View
B
Retailer 24
-
$12,347 SGD
£7,605 GBP
View
Most Expensive
B
NZ Jewellers
5abacb77-abe1-4adf-b094-2d309d225a27 · Oct 30
$14,016 SGD
$10,964 USD
View
24 more retailers have this diamond
Prices start from $5,410 SGDSave up to $8,606 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.

A
1.51ct Oval
$5,410 SGD