Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 7541897480

Certificate GIA 7541897480

Diamond specifications and retailer prices

From HK$47,234 HKD
$6,020 USD
As of November 1, 2026
Save HK$36,080 HKD (43%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$83,314 HKD at MOH London · As of November 2, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541897480. Listed at 20 retailers as of November 1, 2026, with prices from HK$47,234 to HK$83,314, a HK$36,080 spread on the same certified stone. MOH London lists it at HK$83,314. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.48°
Pavilion angle39.93°
OriginNatural
Grading LabGIA
CertificateGIA 7541897480
Dimensions8.94 × 6.30 × 4.01 mm
L/W Ratio1.42
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
8.94 mm6.30 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7541897480
Side View
Table 57.0%Crown 39.48°Girdle: MediumPavilion 39.93°Culet: NoneDepth 63.7%

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$83,314 HKD|Low: HK$43,099 HKD|High: HK$83,762 HKD|Avg: HK$54,500 HKD|+15.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 8HK$43,099 HKD
Retailer 15HK$47,234 HKD
Retailer 4HK$50,176 HKD
Retailer 5HK$50,411 HKD
Retailer 16HK$53,171 HKD
Retailer 13HK$53,264 HKD
Retailer 9HK$54,640 HKD
Retailer 7HK$54,852 HKD
Retailer 12HK$56,367 HKD
Retailer 10HK$56,727 HKD
Retailer 3HK$57,640 HKD
Retailer 6HK$60,866 HKD
Retailer 17HK$61,184 HKD
Retailer 2HK$62,494 HKD
Retailer 11HK$65,314 HKD
Retailer 14HK$73,454 HKD
MOH LondonHK$83,314 HKD

25 data points across 17 retailers

20 retailersHK$47,234 HKD to HK$83,314 HKD

B+
Cheapest Retailer
-
HK$47,234 HKD
$6,020 USD
Retailer 2
-
HK$49,022 HKD
$6,248 USD
View
Price last confirmed 41 days ago
Retailer 3
-
HK$49,022 HKD
$6,248 USD
View
Price last confirmed 27 days ago
Retailer 4
-
HK$49,022 HKD
$6,248 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
HK$50,176 HKD
$6,395 USD
View
B+
Retailer 6
-
HK$50,411 HKD
$6,425 USD
View
B+
Retailer 7
-
HK$53,171 HKD
CA$9,412 CAD
View
B+
Retailer 8
-
HK$53,264 HKD
$6,789 USD
View
B+
Retailer 9
-
HK$54,852 HKD
$6,991 USD
View
B
Retailer 10
-
HK$56,367 HKD
£5,657 GBP
View
B
Retailer 11
-
HK$56,727 HKD
£5,693 GBP
View
Retailer 12
-
HK$57,640 HKD
A$11,302 AUD
View
Price last confirmed 12 days ago
Retailer 13
-
HK$60,866 HKD
$7,758 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
HK$61,184 HKD
$7,798 USD
View
B
Retailer 15
-
HK$62,494 HKD
$7,965 USD
View
B
Retailer 16
-
HK$65,314 HKD
€7,928 EUR
View
B
Retailer 17
-
HK$73,454 HKD
ZAR 151,241 ZAR
View
Retailer 18
-
HK$81,992 HKD
$10,450 USD
View
Price last confirmed 43 days ago
Retailer 19
-
HK$81,992 HKD
$10,450 USD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
D841CE379 · Nov 2
HK$83,314 HKD
£8,361 GBP
View
19 more retailers have this diamond
Prices start from HK$47,234 HKDSave up to HK$36,080 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$47,234 HKD