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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7522574211

Certificate GIA 7522574211

Diamond specifications and retailer prices

From $9,793 SGD
$7,660 USD
As of October 28, 2026
Save $11,500 SGD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $21,293 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 7522574211. Listed at 19 retailers as of October 28, 2026, with prices from $9,793 to $21,293, a $11,500 spread on the same certified stone. NZ Jewellers lists it at $21,293. 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
OriginNatural
Grading LabGIA
CertificateGIA 7522574211
Dimensions9.48 × 6.33 × 3.99 mm
L/W Ratio1.50
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.48 mm6.33 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7522574211
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.1%

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: $21,293 SGD|Low: $9,793 SGD|High: $21,293 SGD|Avg: $13,837 SGD|+11.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 6$9,793 SGD
Retailer 18$9,969 SGD
Retailer 15$10,585 SGD
Retailer 5$10,647 SGD
Retailer 16$10,647 SGD
Retailer 4$11,534 SGD
Retailer 13$11,582 SGD
Retailer 19$11,711 SGD
Retailer 17$11,768 SGD
Retailer 8$12,724 SGD
Retailer 3$13,040 SGD
Retailer 9$13,040 SGD
Retailer 11$13,308 SGD
Retailer 10$13,474 SGD
Retailer 12$13,912 SGD
Retailer 7$14,199 SGD
Retailer 2$15,641 SGD
Retailer 14$17,838 SGD
NZ Jewellers$21,293 SGD

44 data points across 19 retailers

19 retailers$9,793 SGD to $21,293 SGD

A
Cheapest Retailer
-
$9,793 SGD
$7,660 USD
B+
Retailer 2
-
$9,969 SGD
$7,798 USD
View
B+
Retailer 3
-
$10,585 SGD
$8,280 USD
View
B+
Retailer 4
-
$10,647 SGD
$8,328 USD
View
B+
Retailer 5
-
$10,647 SGD
$8,328 USD
View
Final sale: no returns
B+
Retailer 6
-
$11,534 SGD
$9,022 USD
View
B+
Retailer 7
-
$11,582 SGD
£7,133 GBP
View
B+
Retailer 8
-
$11,711 SGD
$9,161 USD
View
Retailer 9
-
$11,768 SGD
A$14,162 AUD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$12,724 SGD
$9,953 USD
View
B+
Retailer 11
-
$13,040 SGD
$10,200 USD
View
B+
Retailer 12
-
$13,040 SGD
$10,200 USD
View
B+
Retailer 13
-
$13,308 SGD
$10,410 USD
View
B+
Retailer 14
-
$13,474 SGD
$10,540 USD
View
B+
Retailer 15
-
$13,912 SGD
€10,364 EUR
View
B
Retailer 16
-
$14,199 SGD
$11,107 USD
View
Retailer 17
-
$15,641 SGD
ZAR 197,654 ZAR
View
B
Retailer 18
-
$17,838 SGD
£10,987 GBP
View
Most Expensive
B
NZ Jewellers
5721c836-d992-4db4-a3b1-256cf545fc9f · Oct 30
$21,293 SGD
$16,656 USD
View
18 more retailers have this diamond
Prices start from $9,793 SGDSave up to $11,500 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
$9,793 SGD