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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2556755740

Certificate GIA 2556755740

Diamond specifications and retailer prices

From HK$35,266 HKD
$4,495 USD
As of November 1, 2026
Save HK$33,804 HKD (49%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$69,071 HKD at MOH London · As of October 29, 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 J 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 2556755740. Listed at 26 retailers as of October 29, 2026, with prices from HK$35,266 to HK$69,071, a HK$33,804 spread on the same certified stone. MOH London lists it at HK$69,071. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556755740
Dimensions8.77 × 6.26 × 3.93 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Knot, Crystal, Feather, Indented Natural, Needle
Top View
8.77 mm6.26 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556755740
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.7%

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$69,071 HKD|Low: HK$36,428 HKD|High: HK$69,629 HKD|Avg: HK$47,332 HKD|+0.3%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 11HK$36,428 HKD
Retailer 9HK$36,843 HKD
Retailer 24HK$36,850 HKD
Retailer 12HK$37,310 HKD
Retailer 10HK$38,993 HKD
Retailer 6HK$39,582 HKD
Retailer 8HK$41,777 HKD
Retailer 7HK$42,249 HKD
Retailer 19HK$42,249 HKD
Retailer 23HK$42,783 HKD
Retailer 22HK$42,987 HKD
Retailer 17HK$43,265 HKD
Retailer 15HK$44,268 HKD
Retailer 2HK$44,867 HKD
Retailer 18HK$45,489 HKD
Retailer 4HK$47,231 HKD
Retailer 14HK$47,231 HKD
Retailer 16HK$47,819 HKD
Retailer 21HK$48,745 HKD
Retailer 5HK$48,800 HKD
Retailer 13HK$49,799 HKD
Retailer 20HK$57,296 HKD
Retailer 3HK$67,556 HKD
MOH LondonHK$69,071 HKD

34 data points across 24 retailers

26 retailersHK$35,266 HKD to HK$69,071 HKD

B+
Cheapest Retailer
-
HK$35,266 HKD
$4,495 USD
B+
Retailer 2
-
HK$36,428 HKD
$4,643 USD
View
B+
Retailer 3
-
HK$36,843 HKD
$4,696 USD
View
B+
Retailer 4
-
HK$36,850 HKD
$4,697 USD
View
B+
Retailer 5
-
HK$37,310 HKD
$4,755 USD
View
B+
Retailer 6
-
HK$38,387 HKD
A$7,527 AUD
View
B+
Retailer 7
-
HK$38,507 HKD
$4,908 USD
View
B+
Retailer 8
-
HK$38,993 HKD
$4,970 USD
View
Final sale: no returns
B+
Retailer 9
-
HK$39,582 HKD
$5,045 USD
View
B
Retailer 10
-
HK$41,777 HKD
$5,325 USD
View
B+
Retailer 11
-
HK$42,249 HKD
$5,385 USD
View
B
Retailer 12
-
HK$42,249 HKD
$5,385 USD
View
B
Retailer 13
-
HK$42,987 HKD
$5,479 USD
View
Retailer 14
-
HK$43,265 HKD
A$8,484 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
HK$44,268 HKD
$5,642 USD
View
B+
Retailer 16
-
HK$44,867 HKD
£4,503 GBP
View
B
Retailer 17
-
HK$45,489 HKD
£4,565 GBP
View
B
Retailer 18
-
HK$47,231 HKD
$6,020 USD
View
B
Retailer 19
-
HK$47,231 HKD
$6,020 USD
View
B
Retailer 20
-
HK$47,819 HKD
$6,095 USD
View
B
Retailer 21
-
HK$48,745 HKD
$6,213 USD
View
B
Retailer 22
-
HK$48,800 HKD
$6,220 USD
View
B
Retailer 23
-
HK$49,799 HKD
€6,045 EUR
View
B
Retailer 24
-
HK$57,296 HKD
ZAR 117,978 ZAR
View
B
Retailer 25
-
HK$67,556 HKD
$8,611 USD
View
Most Expensive
B
MOH London
23DAD2790 · Oct 29
HK$69,071 HKD
£6,932 GBP
View
25 more retailers have this diamond
Prices start from HK$35,266 HKDSave up to HK$33,804 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$35,266 HKD