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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 6227537173

Certificate GIA 6227537173

Diamond specifications and retailer prices

From $8,804 SGD
$6,884 USD
As of November 1, 2026
Save $10,002 SGD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,806 SGD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6227537173. Listed at 18 retailers as of October 30, 2026, with prices from $8,804 to $18,806, a $10,002 spread on the same certified stone. NZ Jewellers lists it at $18,806. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6227537173
Dimensions7.63 × 5.68 × 4.01 mm
L/W Ratio1.34
Top View
7.63 mm5.68 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6227537173
Side View
Table 69.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 70.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $18,806 SGD|Low: $8,804 SGD|High: $18,806 SGD|Avg: $11,569 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
November 1, 2026
Retailer 13$8,804 SGD
Retailer 5$8,919 SGD
Retailer 9$9,402 SGD
Retailer 3$9,482 SGD
Retailer 11$10,186 SGD
Retailer 10$10,344 SGD
Retailer 4$10,386 SGD
Retailer 7$10,393 SGD
Retailer 6$10,968 SGD
Retailer 12$11,754 SGD
Retailer 8$12,287 SGD
Retailer 2$15,670 SGD
NZ Jewellers$18,806 SGD

31 data points across 13 retailers

18 retailers$8,804 SGD to $18,806 SGD

B+
Cheapest Retailer
-
$8,804 SGD
$6,884 USD
B+
Retailer 2
-
$8,919 SGD
$6,974 USD
View
B
Retailer 3
-
$9,402 SGD
$7,352 USD
View
B
Retailer 4
-
$9,482 SGD
$7,414 USD
View
B
Retailer 5
-
$10,017 SGD
$7,832 USD
View
B
Retailer 6
-
$10,186 SGD
$7,965 USD
View
B
Retailer 7
-
$10,344 SGD
$8,088 USD
View
B
Retailer 8
-
$10,386 SGD
$8,121 USD
View
B+
Retailer 9
-
$10,393 SGD
£6,399 GBP
View
B
Retailer 10
-
$10,968 SGD
£6,753 GBP
View
B
Retailer 11
-
$11,075 SGD
$8,660 USD
View
B
Retailer 12
-
$11,075 SGD
$8,660 USD
View
B
Retailer 13
-
$11,446 SGD
$8,950 USD
View
B
Retailer 14
-
$11,754 SGD
$9,191 USD
View
B
Retailer 15
-
$12,287 SGD
€9,150 EUR
View
Retailer 16
-
$12,384 SGD
$9,683 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$15,670 SGD
£9,648 GBP
View
Most Expensive
B
NZ Jewellers
aad99454-fecf-44df-9c43-f7e4f1fdefab · Oct 30
$18,806 SGD
$14,705 USD
View
17 more retailers have this diamond
Prices start from $8,804 SGDSave up to $10,002 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+
1.51ct Radiant
$8,804 SGD