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Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2536435116

Certificate GIA 2536435116

Diamond specifications and retailer prices

From $16,118 NZD
As of November 4, 2026
Save $10,113 NZD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $26,231 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant 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 2536435116. Listed at 12 retailers as of November 4, 2026, with prices from $16,118 to $26,231, a $10,113 spread on the same certified stone. NZ Jewellers lists it at $26,231. 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 2536435116
Dimensions7.50 × 5.76 × 4.01 mm
L/W Ratio1.30
Top View
7.50 mm5.76 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2536435116
Side View
Table 68.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.6%

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: Nov 4
Current: $19,717 NZD|Low: $12,238 NZD|High: $24,874 NZD|Avg: $18,191 NZD|+2.9%
Retailer 1
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
November 6, 2026
Retailer 5$12,238 NZD
Retailer 8$12,920 NZD
Retailer 6$15,598 NZD
Retailer 3$16,118 NZD
Retailer 2$16,776 NZD
Retailer 15$17,200 NZD
Retailer 11$17,287 NZD
Retailer 12$17,372 NZD
Retailer 16$17,372 NZD
Retailer 13$19,109 NZD
Retailer 1$19,717 NZD
Retailer 4$19,919 NZD
Retailer 7$21,006 NZD
Retailer 14$21,715 NZD
Retailer 9$22,960 NZD
Retailer 10$24,513 NZD

31 data points across 16 retailers

12 retailers$16,118 NZD to $26,231 NZD

B+
Cheapest Retailer
-
$16,118 NZD
B+
Retailer 2
-
$16,776 NZD
View
B+
Retailer 3
-
$17,200 NZD
View
Retailer 4
-
$17,287 NZD
View
Price last confirmed 15 days ago
B
Retailer 5
-
$17,372 NZD
View
Final sale: no returns
B+
Retailer 6
-
$18,820 NZD
View
B+
Retailer 7
-
$19,109 NZD
View
B+
Retailer 8
-
$19,717 NZD
View
B
Retailer 9
-
$21,715 NZD
View
B
Retailer 10
-
$22,960 NZD
View
B
Retailer 11
-
$24,513 NZD
View
Most Expensive
B
NZ Jewellers
0f46ccc3-79b0-4e9c-b84a-b0ae089210fa · Nov 5
$26,231 NZD
$14,541 USD
View
11 more retailers have this diamond
Prices start from $16,118 NZDSave up to $10,113 NZD

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 Radiant
$16,118 NZD