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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6555458202

Certificate GIA 6555458202

Diamond specifications and retailer prices

From HK$43,763 HKD
$5,578 USD
As of October 28, 2026
Save HK$49,467 HKD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$93,230 HKD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval 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 6555458202. Listed at 19 retailers as of October 27, 2026, with prices from HK$43,763 to HK$93,230, a HK$49,467 spread on the same certified stone. NZ Jewellers lists it at HK$93,230. 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
Crown angle38.3°
Pavilion angle36.4°
OriginNatural
Grading LabGIA
CertificateGIA 6555458202
Dimensions9.12 × 6.38 × 3.97 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
9.12 mm6.38 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555458202
Side View
Table 60.0%Crown 38.3°Girdle: STK-THKPavilion 36.4°Culet: NoneDepth 62.2%

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: Oct 28
Current: HK$93,230 HKD|Low: HK$46,172 HKD|High: HK$93,230 HKD|Avg: HK$59,956 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
October 29, 2026
Retailer 10HK$46,172 HKD
Retailer 9HK$46,748 HKD
Retailer 3HK$48,855 HKD
Retailer 4HK$51,452 HKD
Retailer 12HK$51,452 HKD
Retailer 2HK$53,291 HKD
Retailer 6HK$54,689 HKD
Retailer 8HK$55,744 HKD
Retailer 11HK$56,599 HKD
Retailer 5HK$57,995 HKD
Retailer 13HK$64,319 HKD
Retailer 7HK$82,562 HKD
NZ JewellersHK$93,230 HKD

40 data points across 13 retailers

19 retailersHK$43,763 HKD to HK$93,230 HKD

B+
Cheapest Retailer
-
HK$43,763 HKD
$5,578 USD
Retailer 2
-
HK$46,172 HKD
$5,885 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
HK$46,748 HKD
SGD 8,052 SGD
View
B+
Retailer 4
-
HK$48,612 HKD
$6,196 USD
View
B+
Retailer 5
-
HK$48,855 HKD
$6,227 USD
View
B+
Retailer 6
-
HK$51,452 HKD
$6,558 USD
View
Final sale: no returns
Retailer 7
-
HK$51,452 HKD
$6,558 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$53,291 HKD
£5,348 GBP
View
B+
Retailer 9
-
HK$54,689 HKD
£5,489 GBP
View
B
Retailer 10
-
HK$54,998 HKD
$7,010 USD
View
Retailer 11
-
HK$55,744 HKD
$7,105 USD
View
Price last confirmed 69 days ago
B
Retailer 12
-
HK$55,744 HKD
$7,105 USD
View
Retailer 13
-
HK$56,599 HKD
$7,214 USD
View
Price last confirmed 7 days ago
Retailer 14
-
HK$57,007 HKD
$7,266 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
HK$57,995 HKD
$7,392 USD
View
B
Retailer 16
-
HK$64,319 HKD
$8,198 USD
View
Retailer 17
-
HK$64,319 HKD
$8,198 USD
View
Price last confirmed 34 days ago
B
Retailer 18
-
HK$82,562 HKD
£8,286 GBP
View
Most Expensive
B
NZ Jewellers
1f934872-43fd-4ffb-8f38-2d02d3b5b9af · Oct 27
HK$93,230 HKD
$11,883 USD
View
18 more retailers have this diamond
Prices start from HK$43,763 HKDSave up to HK$49,467 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 Oval
HK$43,763 HKD