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Radiant|Natural|GIA

1.51ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2564016972

Certificate GIA 2564016972

Diamond specifications and retailer prices

From $10,533 NZD
HK$46,300 HKD
As of November 1, 2026
Save $13,180 NZD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $23,713 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564016972. Listed at 22 retailers as of October 30, 2026, with prices from $10,533 to $23,713, a $13,180 spread on the same certified stone. NZ Jewellers lists it at $23,713. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564016972
Dimensions7.77 × 5.73 × 3.73 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
7.77 mm5.73 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564016972
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.2%

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: Nov 1
Current: $10,718 NZD|Low: $10,442 NZD|High: $19,996 NZD|Avg: $13,713 NZD|-1.8%
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 2, 2026
Retailer 14$10,533 NZD
Retailer 1$10,718 NZD
Retailer 16$11,695 NZD
Retailer 8$12,018 NZD
Retailer 4$13,063 NZD
Retailer 3$13,086 NZD
Retailer 5$13,086 NZD
Retailer 9$13,358 NZD
Retailer 11$13,369 NZD
Retailer 15$13,673 NZD
Retailer 6$14,178 NZD
Retailer 2$14,396 NZD
Retailer 7$14,599 NZD
Retailer 10$14,642 NZD
Retailer 13$17,417 NZD
Retailer 12$19,759 NZD

24 data points across 16 retailers

22 retailers$10,533 NZD to $23,713 NZD

A
Cheapest Retailer
-
$10,533 NZD
HK$46,300 HKD
A
Retailer 2
-
$10,718 NZD
₹574,331 INR
View
A
Retailer 3
-
$11,695 NZD
$6,580 USD
View
B+
Retailer 4
-
$11,997 NZD
$6,750 USD
View
Retailer 5
-
$12,018 NZD
SGD 9,138 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$12,253 NZD
$6,894 USD
View
B+
Retailer 7
-
$12,253 NZD
$6,894 USD
View
B+
Retailer 8
-
$13,063 NZD
$7,350 USD
View
B+
Retailer 9
-
$13,086 NZD
$7,363 USD
View
B+
Retailer 10
-
$13,086 NZD
$7,363 USD
View
Final sale: no returns
B+
Retailer 11
-
$13,358 NZD
£5,918 GBP
View
B+
Retailer 12
-
$13,369 NZD
£5,923 GBP
View
Retailer 13
-
$13,673 NZD
A$11,835 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$14,178 NZD
$7,977 USD
View
B+
Retailer 15
-
$14,396 NZD
$8,100 USD
View
B+
Retailer 16
-
$14,475 NZD
$8,144 USD
View
B+
Retailer 17
-
$14,599 NZD
$8,214 USD
View
B+
Retailer 18
-
$14,642 NZD
€7,846 EUR
View
B+
Retailer 19
-
$16,358 NZD
$9,204 USD
View
B
Retailer 20
-
$17,417 NZD
ZAR 158,317 ZAR
View
B
Retailer 21
-
$19,759 NZD
£8,754 GBP
View
Most Expensive
B
NZ Jewellers
8e7edc29-9dec-438f-8730-c6dccc384921 · Oct 30
$23,713 NZD
$13,342 USD
View
21 more retailers have this diamond
Prices start from $10,533 NZDSave up to $13,180 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.

A
1.51ct Radiant
$10,533 NZD