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Radiant|Natural|GIA

1.51ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 5566500832

Certificate GIA 5566500832

Diamond specifications and retailer prices

From $5,859 SGD
HK$35,700 HKD
As of October 29, 2026
Save $7,780 SGD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $13,639 SGD at NZ Jewellers · As of October 27, 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 5566500832. Listed at 21 retailers as of October 27, 2026, with prices from $5,859 to $13,639, a $7,780 spread on the same certified stone. NZ Jewellers lists it at $13,639. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566500832
Dimensions7.56 × 5.59 × 3.90 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.56 mm5.59 mm1.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566500832
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $13,639 SGD|Low: $5,629 SGD|High: $13,970 SGD|Avg: $8,193 SGD|-2.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 5$5,859 SGD
Retailer 20$6,052 SGD
Retailer 21$6,308 SGD
Retailer 9$6,476 SGD
Retailer 18$6,495 SGD
Retailer 3$6,619 SGD
Retailer 13$6,687 SGD
Retailer 8$6,818 SGD
Retailer 2$6,936 SGD
Retailer 6$6,958 SGD
Retailer 7$6,975 SGD
Retailer 14$7,146 SGD
Retailer 4$7,298 SGD
Retailer 11$7,479 SGD
Retailer 16$7,728 SGD
Retailer 15$7,820 SGD
Retailer 19$8,896 SGD
Retailer 10$9,629 SGD
Retailer 17$12,078 SGD
Retailer 12$12,271 SGD
NZ Jewellers$13,639 SGD

14 data points across 21 retailers

21 retailers$5,859 SGD to $13,639 SGD

A
Cheapest Retailer
-
$5,859 SGD
HK$35,700 HKD
A
Retailer 2
-
$6,052 SGD
$4,720 USD
View
A
Retailer 3
-
$6,308 SGD
$4,920 USD
View
A
Retailer 4
-
$6,476 SGD
View
A
Retailer 5
-
$6,495 SGD
$5,066 USD
View
A
Retailer 6
-
$6,619 SGD
$5,163 USD
View
A
Retailer 7
-
$6,687 SGD
€4,967 EUR
View
A
Retailer 8
-
$6,818 SGD
$5,318 USD
View
Final sale: no returns
A
Retailer 9
-
$6,936 SGD
$5,410 USD
View
A
Retailer 10
-
$6,958 SGD
A$8,349 AUD
View
A
Retailer 11
-
$6,975 SGD
$5,440 USD
View
A
Retailer 12
-
$7,146 SGD
$5,574 USD
View
Price last confirmed 10 days ago
A
Retailer 13
-
$7,298 SGD
£4,482 GBP
View
A
Retailer 14
-
$7,479 SGD
$5,834 USD
View
Price last confirmed 8 days ago
A
Retailer 15
-
$7,728 SGD
£4,746 GBP
View
Retailer 16
-
$7,820 SGD
$6,099 USD
View
A
Retailer 17
-
$8,896 SGD
€6,608 EUR
View
B+
Retailer 18
-
$9,629 SGD
ZAR 121,331 ZAR
View
B+
Retailer 19
-
$12,078 SGD
£7,418 GBP
View
B
Retailer 20
-
$12,271 SGD
$9,571 USD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
ee3d4bad-e84d-4bc9-bc88-51682b85e7d6 · Oct 27
$13,639 SGD
$10,638 USD
View
20 more retailers have this diamond
Prices start from $5,859 SGDSave up to $7,780 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.

A
1.51ct Radiant
$5,859 SGD