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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 $4,570 USD
HK$35,700 HKD
As of October 30, 2026
Save $6,068 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,638 USD 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 20 retailers as of October 27, 2026, with prices from $4,570 to $10,638, a $6,068 spread on the same certified stone. NZ Jewellers lists it at $10,638. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,638 USD|Low: $4,390 USD|High: $10,896 USD|Avg: $6,372 USD|-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 30, 2026
Retailer 5$4,570 USD
Retailer 21$4,720 USD
Retailer 3$4,920 USD
Retailer 9$5,051 USD
Retailer 19$5,066 USD
Retailer 4$5,163 USD
Retailer 2$5,209 USD
Retailer 8$5,318 USD
Retailer 15$5,410 USD
Retailer 6$5,427 USD
Retailer 7$5,440 USD
Retailer 14$5,574 USD
Retailer 13$5,727 USD
Retailer 11$5,834 USD
Retailer 17$6,028 USD
Retailer 16$6,099 USD
Retailer 20$6,938 USD
Retailer 10$7,510 USD
Retailer 18$9,421 USD
Retailer 12$9,571 USD
NZ Jewellers$10,638 USD

15 data points across 21 retailers

20 retailers$4,570 USD to $10,638 USD

A
Cheapest Retailer
-
$4,570 USD
HK$35,700 HKD
A
Retailer 2
-
$4,720 USD
View
A
Retailer 3
-
$4,920 USD
View
A
Retailer 4
-
$5,051 USD
SGD 6,826 SGD
View
A
Retailer 5
-
$5,066 USD
View
A
Retailer 6
-
$5,163 USD
View
Retailer 7
-
$5,209 USD
€4,961 EUR
View
Price last confirmed 3 days ago
A
Retailer 8
-
$5,318 USD
View
Final sale: no returns
A
Retailer 9
-
$5,410 USD
View
A
Retailer 10
-
$5,427 USD
A$8,349 AUD
View
A
Retailer 11
-
$5,440 USD
View
Retailer 12
-
$5,574 USD
View
Price last confirmed 14 days ago
A
Retailer 13
-
$5,727 USD
£4,509 GBP
View
A
Retailer 14
-
$6,028 USD
£4,746 GBP
View
A
Retailer 15
-
$6,099 USD
View
B+
Retailer 16
-
$6,938 USD
€6,608 EUR
View
B+
Retailer 17
-
$7,510 USD
ZAR 121,331 ZAR
View
B+
Retailer 18
-
$9,421 USD
£7,418 GBP
View
Retailer 19
-
$9,571 USD
View
Price last confirmed 13 days ago
Most Expensive
B
NZ Jewellers
ee3d4bad-e84d-4bc9-bc88-51682b85e7d6 · Oct 27
$10,638 USD
View
19 more retailers have this diamond
Prices start from $4,570 USDSave up to $6,068 USD

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
$4,570 USD