CaratHunter
Plans
Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 6227537173

Certificate GIA 6227537173

Diamond specifications and retailer prices

From HK$54,013 HKD
$6,884 USD
As of November 1, 2026
Save HK$61,364 HKD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$115,377 HKD 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 HK$54,013 to HK$115,377, a HK$61,364 spread on the same certified stone. NZ Jewellers lists it at HK$115,377. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$115,377 HKD|Low: HK$54,013 HKD|High: HK$115,377 HKD|Avg: HK$70,933 HKD
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 13HK$54,013 HKD
Retailer 5HK$54,719 HKD
Retailer 9HK$57,685 HKD
Retailer 3HK$58,171 HKD
Retailer 11HK$62,494 HKD
Retailer 10HK$63,459 HKD
Retailer 4HK$63,718 HKD
Retailer 7HK$63,764 HKD
Retailer 6HK$67,291 HKD
Retailer 12HK$72,114 HKD
Retailer 8HK$75,381 HKD
Retailer 2HK$96,138 HKD
NZ JewellersHK$115,377 HKD

32 data points across 13 retailers

18 retailersHK$54,013 HKD to HK$115,377 HKD

B+
Cheapest Retailer
-
HK$54,013 HKD
$6,884 USD
B+
Retailer 2
-
HK$54,719 HKD
$6,974 USD
View
B
Retailer 3
-
HK$57,685 HKD
$7,352 USD
View
B
Retailer 4
-
HK$58,171 HKD
$7,414 USD
View
B
Retailer 5
-
HK$61,452 HKD
$7,832 USD
View
B
Retailer 6
-
HK$62,494 HKD
$7,965 USD
View
B
Retailer 7
-
HK$63,459 HKD
$8,088 USD
View
B
Retailer 8
-
HK$63,718 HKD
$8,121 USD
View
B+
Retailer 9
-
HK$63,764 HKD
£6,399 GBP
View
B
Retailer 10
-
HK$67,291 HKD
£6,753 GBP
View
B
Retailer 11
-
HK$67,947 HKD
$8,660 USD
View
B
Retailer 12
-
HK$67,947 HKD
$8,660 USD
View
B
Retailer 13
-
HK$70,223 HKD
$8,950 USD
View
B
Retailer 14
-
HK$72,114 HKD
$9,191 USD
View
B
Retailer 15
-
HK$75,381 HKD
€9,150 EUR
View
Retailer 16
-
HK$75,974 HKD
$9,683 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
HK$96,138 HKD
£9,648 GBP
View
Most Expensive
B
NZ Jewellers
aad99454-fecf-44df-9c43-f7e4f1fdefab · Oct 30
HK$115,377 HKD
$14,705 USD
View
17 more retailers have this diamond
Prices start from HK$54,013 HKDSave up to HK$61,364 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.

B+
1.51ct Radiant
HK$54,013 HKD