CaratHunter
Plans
Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2306421205

Certificate GIA 2306421205

Diamond specifications and retailer prices

From $13,653 SGD
$10,680 USD
As of October 31, 2026
Save $12,276 SGD (47%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $25,930 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 2306421205. Listed at 21 retailers as of October 30, 2026, with prices from $13,653 to $25,930, a $12,276 spread on the same certified stone. NZ Jewellers lists it at $25,930. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2306421205
Dimensions8.48 × 6.42 × 4.05 mm
L/W Ratio1.32
Top View
8.48 mm6.42 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2306421205
Side View
Table 62.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 63.1%

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: $24,298 SGD|Low: $13,653 SGD|High: $24,591 SGD|Avg: $17,914 SGD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$13,653 SGD
Retailer 6$13,730 SGD
Retailer 7$15,558 SGD
Retailer 4$16,597 SGD
Retailer 5$16,937 SGD
Retailer 3$18,705 SGD
Retailer 2$22,857 SGD
Retailer 1$24,298 SGD

43 data points across 8 retailers

21 retailers$13,653 SGD to $25,930 SGD

B+
Cheapest Retailer
-
$13,653 SGD
$10,680 USD
B+
Retailer 2
-
$13,730 SGD
$10,740 USD
View
B+
Retailer 3
-
$14,436 SGD
$11,292 USD
View
B+
Retailer 4
-
$14,446 SGD
$11,300 USD
View
B+
Retailer 5
-
$14,654 SGD
CA$15,921 CAD
View
B
Retailer 6
-
$14,874 SGD
$11,635 USD
View
B
Retailer 7
-
$15,315 SGD
$11,980 USD
View
B
Retailer 8
-
$15,558 SGD
$12,170 USD
View
B
Retailer 9
-
$16,595 SGD
$12,981 USD
View
B
Retailer 10
-
$16,597 SGD
£10,223 GBP
View
B
Retailer 11
-
$16,854 SGD
$13,184 USD
View
Retailer 12
-
$16,937 SGD
A$20,382 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$17,503 SGD
$13,691 USD
View
B
Retailer 14
-
$17,949 SGD
$14,040 USD
View
B
Retailer 15
-
$17,949 SGD
$14,040 USD
View
B
Retailer 16
-
$18,018 SGD
$14,094 USD
View
B
Retailer 17
-
$18,550 SGD
$14,510 USD
View
B
Retailer 18
-
$18,705 SGD
€13,935 EUR
View
B
Retailer 19
-
$22,857 SGD
ZAR 288,842 ZAR
View
B
Retailer 20
-
$24,298 SGD
£14,966 GBP
View
Most Expensive
B
NZ Jewellers
4dee6b99-1099-4e4b-8a60-e1a213751468 · Oct 30
$25,930 SGD
$20,283 USD
View
20 more retailers have this diamond
Prices start from $13,653 SGDSave up to $12,276 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
$13,653 SGD