CaratHunter
Plans
Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6532912878

Certificate GIA 6532912878

Diamond specifications and retailer prices

From $10,650 SGD
$8,331 USD
As of October 31, 2026
Save $9,533 SGD (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $20,183 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct 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 6532912878. Listed at 25 retailers as of October 30, 2026, with prices from $10,650 to $20,183, a $9,533 spread on the same certified stone. NZ Jewellers lists it at $20,183. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532912878
Dimensions8.78 × 6.33 × 4.10 mm
L/W Ratio1.39
Top View
8.78 mm6.33 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6532912878
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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 31
Current: $20,183 SGD|Low: $10,650 SGD|High: $20,183 SGD|Avg: $14,417 SGD
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 1, 2026
Retailer 13$10,650 SGD
Retailer 14$11,338 SGD
Retailer 11$11,654 SGD
Retailer 4$13,119 SGD
Retailer 7$13,256 SGD
Retailer 10$13,322 SGD
Retailer 5$13,467 SGD
Retailer 12$13,482 SGD
Retailer 3$14,229 SGD
Retailer 6$14,229 SGD
Retailer 9$15,259 SGD
Retailer 8$17,791 SGD
Retailer 2$18,913 SGD
NZ Jewellers$20,183 SGD

42 data points across 14 retailers

25 retailers$10,650 SGD to $20,183 SGD

B+
Cheapest Retailer
-
$10,650 SGD
$8,331 USD
B+
Retailer 2
-
$11,203 SGD
$8,763 USD
View
B+
Retailer 3
-
$11,338 SGD
$8,869 USD
View
B+
Retailer 4
-
$11,527 SGD
$9,017 USD
View
B+
Retailer 5
-
$11,649 SGD
CA$12,656 CAD
View
B+
Retailer 6
-
$11,654 SGD
$9,116 USD
View
Final sale: no returns
B+
Retailer 7
-
$11,998 SGD
$9,385 USD
View
B+
Retailer 8
-
$12,110 SGD
$9,473 USD
View
B+
Retailer 9
-
$13,119 SGD
$10,262 USD
View
B+
Retailer 10
-
$13,256 SGD
£8,165 GBP
View
B+
Retailer 11
-
$13,321 SGD
$10,420 USD
View
Retailer 12
-
$13,322 SGD
A$16,033 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$13,467 SGD
$10,534 USD
View
B+
Retailer 14
-
$13,482 SGD
$10,546 USD
View
B
Retailer 15
-
$13,964 SGD
$10,923 USD
View
B
Retailer 16
-
$14,229 SGD
$11,130 USD
View
B
Retailer 17
-
$14,229 SGD
$11,130 USD
View
B
Retailer 18
-
$14,714 SGD
$11,510 USD
View
B
Retailer 19
-
$14,725 SGD
$11,518 USD
View
B
Retailer 20
-
$15,138 SGD
$11,841 USD
View
B
Retailer 21
-
$15,259 SGD
€11,368 EUR
View
B
Retailer 22
-
$15,504 SGD
$12,128 USD
View
B
Retailer 23
-
$17,791 SGD
ZAR 224,825 ZAR
View
B
Retailer 24
-
$18,913 SGD
£11,649 GBP
View
Most Expensive
B
NZ Jewellers
841182a5-dc27-46c6-9607-000e2dfa2f1b · Oct 30
$20,183 SGD
$15,788 USD
View
24 more retailers have this diamond
Prices start from $10,650 SGDSave up to $9,533 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+
1.50ct Oval
$10,650 SGD