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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 1537184523

Certificate GIA 1537184523

Diamond specifications and retailer prices

From $8,321 SGD
$6,506 USD
As of November 1, 2026
Save $9,295 SGD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,616 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 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 1537184523. Listed at 14 retailers as of October 30, 2026, with prices from $8,321 to $17,616, a $9,295 spread on the same certified stone. NZ Jewellers lists it at $17,616. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.63°
Pavilion angle37.07°
OriginNatural
Grading LabGIA
CertificateGIA 1537184523
Dimensions9.04 × 6.14 × 3.89 mm
L/W Ratio1.47
Girdle conditionExtremely Thick
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural
Top View
9.04 mm6.14 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1537184523
Side View
Table 57.0%Crown 41.63°Girdle: ThickPavilion 37.07°Culet: NoneDepth 63.3%

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: Nov 1
Current: $17,616 SGD|Low: $8,321 SGD|High: $18,449 SGD|Avg: $11,473 SGD|-4.5%
NZ Jewellers
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 4$8,321 SGD
Retailer 14$8,760 SGD
Retailer 6$8,808 SGD
Retailer 10$8,881 SGD
Retailer 3$9,542 SGD
Retailer 5$9,689 SGD
Retailer 7$9,939 SGD
Retailer 13$10,080 SGD
Retailer 2$10,668 SGD
Retailer 12$11,010 SGD
Retailer 11$11,378 SGD
Retailer 9$11,601 SGD
Retailer 8$14,678 SGD
NZ Jewellers$17,616 SGD

42 data points across 14 retailers

14 retailers$8,321 SGD to $17,616 SGD

A
Cheapest Retailer
-
$8,321 SGD
$6,506 USD
B+
Retailer 2
-
$8,760 SGD
CA$9,513 CAD
View
B+
Retailer 3
-
$8,808 SGD
$6,887 USD
View
B+
Retailer 4
-
$8,881 SGD
$6,944 USD
View
B+
Retailer 5
-
$9,542 SGD
$7,461 USD
View
B+
Retailer 6
-
$9,689 SGD
$7,576 USD
View
B+
Retailer 7
-
$9,939 SGD
£6,119 GBP
View
B+
Retailer 8
-
$10,080 SGD
$7,882 USD
View
B+
Retailer 9
-
$10,441 SGD
$8,164 USD
View
B+
Retailer 10
-
$10,668 SGD
€7,944 EUR
View
B
Retailer 11
-
$11,010 SGD
$8,609 USD
View
B+
Retailer 12
-
$11,378 SGD
$8,897 USD
View
B
Retailer 13
-
$14,678 SGD
£9,037 GBP
View
Most Expensive
B
NZ Jewellers
6b4413de-67c2-4282-a7dc-0c7212a8737d · Oct 30
$17,616 SGD
$13,774 USD
View
13 more retailers have this diamond
Prices start from $8,321 SGDSave up to $9,295 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
$8,321 SGD