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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6561487499

Certificate GIA 6561487499

Diamond specifications and retailer prices

From HK$26,573 HKD
$3,387 USD
As of October 31, 2026
Save HK$42,776 HKD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$69,350 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561487499. Listed at 19 retailers as of October 26, 2026, with prices from HK$26,573 to HK$69,350, a HK$42,776 spread on the same certified stone. MOH London lists it at HK$69,350. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561487499
Dimensions7.48 × 7.45 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.48 mm7.45 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561487499
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.9%

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 31
Current: HK$69,350 HKD|Low: HK$26,573 HKD|High: HK$78,237 HKD|Avg: HK$46,480 HKD|+1.6%
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
November 2, 2026
Retailer 4HK$26,573 HKD
Retailer 18HK$28,598 HKD
Retailer 6HK$29,704 HKD
Retailer 16HK$32,337 HKD
Retailer 15HK$33,784 HKD
Retailer 10HK$34,639 HKD
Retailer 19HK$36,489 HKD
Retailer 13HK$37,142 HKD
Retailer 12HK$38,877 HKD
Retailer 7HK$40,287 HKD
Retailer 14HK$40,712 HKD
Retailer 3HK$42,477 HKD
Retailer 9HK$44,328 HKD
Retailer 5HK$49,828 HKD
Retailer 11HK$50,318 HKD
Retailer 2HK$52,409 HKD
Retailer 17HK$53,086 HKD
Retailer 8HK$65,732 HKD
MOH LondonHK$69,350 HKD

22 data points across 19 retailers

19 retailersHK$26,573 HKD to HK$69,350 HKD

A
Cheapest Retailer
-
HK$26,573 HKD
$3,387 USD
A
Retailer 2
-
HK$28,598 HKD
$3,645 USD
View
A
Retailer 3
-
HK$29,704 HKD
$3,786 USD
View
A
Retailer 4
-
HK$32,337 HKD
View
A
Retailer 5
-
HK$33,784 HKD
$4,306 USD
View
Retailer 6
-
HK$34,639 HKD
$4,415 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$36,489 HKD
$4,651 USD
View
A
Retailer 8
-
HK$37,142 HKD
$4,734 USD
View
Final sale: no returns
A
Retailer 9
-
HK$38,877 HKD
$4,955 USD
View
A
Retailer 10
-
HK$40,287 HKD
SGD 6,939 SGD
View
A
Retailer 11
-
HK$40,712 HKD
£4,086 GBP
View
A
Retailer 12
-
HK$42,477 HKD
$5,414 USD
View
A
Retailer 13
-
HK$44,328 HKD
$5,650 USD
View
B+
Retailer 14
-
HK$49,828 HKD
$6,351 USD
View
B+
Retailer 15
-
HK$52,409 HKD
$6,680 USD
View
B+
Retailer 16
-
HK$53,086 HKD
£5,328 GBP
View
B
Retailer 17
-
HK$65,732 HKD
$8,378 USD
View
Retailer 18
-
HK$66,410 HKD
$8,464 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
651FA8153 · Oct 26
HK$69,350 HKD
£6,960 GBP
View
18 more retailers have this diamond
Prices start from HK$26,573 HKDSave up to HK$42,776 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 Round
HK$26,573 HKD