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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6555434666

Certificate GIA 6555434666

Diamond specifications and retailer prices

From HK$32,038 HKD
As of October 29, 2026
Save HK$35,803 HKD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$67,841 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555434666. Listed at 12 retailers as of October 29, 2026, with prices from HK$32,038 to HK$67,841, a HK$35,803 spread on the same certified stone. MOH London lists it at HK$67,841. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555434666
Dimensions7.66 × 5.66 × 3.83 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.66 mm5.66 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555434666
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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 29
Current: HK$67,841 HKD|Low: HK$32,038 HKD|High: HK$78,503 HKD|Avg: HK$45,696 HKD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10HK$32,038 HKD
Retailer 8HK$34,548 HKD
Retailer 9HK$36,276 HKD
Retailer 7HK$37,686 HKD
Retailer 11HK$38,290 HKD
Retailer 3HK$38,518 HKD
Retailer 13HK$38,604 HKD
Retailer 2HK$40,591 HKD
Retailer 5HK$43,137 HKD
Retailer 6HK$49,622 HKD
Retailer 12HK$67,328 HKD
MOH LondonHK$67,841 HKD
Retailer 4HK$74,227 HKD

40 data points across 13 retailers

12 retailersHK$32,038 HKD to HK$67,841 HKD

A
Cheapest Retailer
-
HK$32,038 HKD
A
Retailer 2
-
HK$34,548 HKD
$4,403 USD
View
A
Retailer 3
-
HK$36,276 HKD
$4,623 USD
View
A
Retailer 4
-
HK$37,686 HKD
$4,803 USD
View
A
Retailer 5
-
HK$38,290 HKD
$4,880 USD
View
Final sale: no returns
A
Retailer 6
-
HK$38,518 HKD
$4,909 USD
View
A
Retailer 7
-
HK$38,604 HKD
$4,920 USD
View
A
Retailer 8
-
HK$40,591 HKD
£4,073 GBP
View
A
Retailer 9
-
HK$43,137 HKD
A$8,458 AUD
View
A
Retailer 10
-
HK$49,622 HKD
€6,023 EUR
View
B+
Retailer 11
-
HK$67,328 HKD
$8,581 USD
View
Most Expensive
B+
MOH London
C9FCA304D · Oct 29
HK$67,841 HKD
£6,808 GBP
View
11 more retailers have this diamond
Prices start from HK$32,038 HKDSave up to HK$35,803 HKD

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
HK$32,038 HKD