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Radiant|Natural|GIA

1.51ct D SI1 Radiant Natural Diamond

VG • D/SI1 • GIA 6552262434

Certificate GIA 6552262434

Diamond specifications and retailer prices

From $9,841 NZD
SGD 7,495 SGD
As of November 1, 2026
Save $8,550 NZD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $18,391 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6552262434. Listed at 12 retailers as of October 26, 2026, with prices from $9,841 to $18,391, a $8,550 spread on the same certified stone. Wholesale Diamonds Direct lists it at $18,391. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552262434
Dimensions7.40 × 5.88 × 4.04 mm
L/W Ratio1.26
Culet sizeNone
Top View
7.40 mm5.88 mm1.51 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552262434
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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: $12,536 NZD|Low: $9,841 NZD|High: $18,744 NZD|Avg: $13,152 NZD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 2, 2026
Retailer 8$9,841 NZD
Retailer 9$10,106 NZD
Retailer 11$10,241 NZD
Retailer 6$10,411 NZD
Retailer 7$10,649 NZD
Retailer 4$11,226 NZD
Retailer 3$12,398 NZD
Retailer 2$12,463 NZD
Retailer 1$12,536 NZD
Retailer 5$13,948 NZD
Retailer 10$16,955 NZD
Wholesale Diamonds Direct$18,391 NZD

39 data points across 12 retailers

12 retailers$9,841 NZD to $18,391 NZD

A
Cheapest Retailer
-
$9,841 NZD
SGD 7,495 SGD
A
Retailer 2
-
$10,106 NZD
$5,696 USD
View
A
Retailer 3
-
$10,241 NZD
SGD 7,800 SGD
View
A
Retailer 4
-
$10,411 NZD
$5,868 USD
View
A
Retailer 5
-
$10,649 NZD
$6,002 USD
View
A
Retailer 6
-
$11,226 NZD
£4,982 GBP
View
B+
Retailer 7
-
$12,398 NZD
$6,988 USD
View
B+
Retailer 8
-
$12,463 NZD
$7,024 USD
View
A
Retailer 9
-
$12,536 NZD
€6,729 EUR
View
B+
Retailer 10
-
$13,948 NZD
$7,861 USD
View
B
Retailer 11
-
$16,955 NZD
$9,556 USD
View
Most Expensive
B
Wholesale Diamonds Direct
584156463 · Oct 26
$18,391 NZD
$10,365 USD
View
11 more retailers have this diamond
Prices start from $9,841 NZDSave up to $8,550 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
$9,841 NZD