Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6562231098

Certificate GIA 6562231098

Diamond specifications and retailer prices

From $9,409 SGD
$7,360 USD
As of October 28, 2026
Save $12,077 SGD (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $21,486 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562231098. Listed at 27 retailers as of October 28, 2026, with prices from $9,409 to $21,486, a $12,077 spread on the same certified stone. NZ Jewellers lists it at $21,486. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle38.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562231098
Dimensions8.87 × 6.44 × 4.06 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.87 mm6.44 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562231098
Side View
Table 61.0%Crown 38.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $21,486 SGD|Low: $9,344 SGD|High: $23,216 SGD|Avg: $12,861 SGD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
November 1, 2026
Retailer 15$9,409 SGD
Retailer 11$9,556 SGD
Retailer 4$9,703 SGD
Retailer 20$10,015 SGD
Retailer 8$10,060 SGD
Retailer 5$10,268 SGD
Retailer 19$10,330 SGD
Retailer 17$10,551 SGD
Retailer 26$10,681 SGD
Retailer 6$10,744 SGD
Retailer 16$11,605 SGD
Retailer 22$11,639 SGD
Retailer 21$11,715 SGD
Retailer 18$11,924 SGD
Retailer 25$11,981 SGD
Retailer 13$12,020 SGD
Retailer 7$12,707 SGD
Retailer 9$12,707 SGD
Retailer 12$12,837 SGD
Retailer 10$13,129 SGD
Retailer 27$13,302 SGD
Retailer 3$13,430 SGD
Retailer 24$13,858 SGD
Retailer 14$13,889 SGD
Retailer 23$15,783 SGD
Retailer 2$16,778 SGD
NZ Jewellers$21,486 SGD

14 data points across 27 retailers

27 retailers$9,409 SGD to $21,486 SGD

A
Cheapest Retailer
-
$9,409 SGD
$7,360 USD
A
Retailer 2
-
$9,556 SGD
HK$58,400 HKD
View
A
Retailer 3
-
$9,703 SGD
$7,590 USD
View
A
Retailer 4
-
$10,060 SGD
$7,869 USD
View
Retailer 5
-
$10,227 SGD
$8,000 USD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
$10,268 SGD
$8,032 USD
View
Retailer 7
-
$10,330 SGD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$10,551 SGD
$8,253 USD
View
B+
Retailer 9
-
$10,681 SGD
$8,355 USD
View
B+
Retailer 10
-
$10,744 SGD
$8,404 USD
View
Final sale: no returns
B+
Retailer 11
-
$11,605 SGD
$9,078 USD
View
B+
Retailer 12
-
$11,639 SGD
$9,104 USD
View
B+
Retailer 13
-
$11,715 SGD
£7,215 GBP
View
Retailer 14
-
$11,924 SGD
A$14,350 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$11,981 SGD
$9,372 USD
View
B+
Retailer 16
-
$12,020 SGD
£7,403 GBP
View
B+
Retailer 17
-
$12,707 SGD
$9,940 USD
View
B+
Retailer 18
-
$12,707 SGD
$9,940 USD
View
B
Retailer 19
-
$12,729 SGD
$9,957 USD
View
B
Retailer 20
-
$12,837 SGD
$10,042 USD
View
B+
Retailer 21
-
$13,129 SGD
$10,270 USD
View
B+
Retailer 22
-
$13,302 SGD
€9,910 EUR
View
B+
Retailer 23
-
$13,430 SGD
$10,505 USD
View
B+
Retailer 24
-
$13,858 SGD
$10,840 USD
View
B
Retailer 25
-
$15,783 SGD
ZAR 199,444 ZAR
View
B
Retailer 26
-
$16,778 SGD
£10,334 GBP
View
Most Expensive
B
NZ Jewellers
2ec1dfbe-c26d-48b9-9ee7-71427e7e5858 · Oct 30
$21,486 SGD
$16,807 USD
View
26 more retailers have this diamond
Prices start from $9,409 SGDSave up to $12,077 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
$9,409 SGD