CaratHunter
Plans
Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 11955784

Certificate GIA 11955784

Diamond specifications and retailer prices

From HK$58,299 HKD
$7,430 USD
As of October 31, 2026
Save HK$42,711 HKD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$101,011 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 11955784. Listed at 12 retailers as of October 31, 2026, with prices from HK$58,299 to HK$101,011, a HK$42,711 spread on the same certified stone. MOH London lists it at HK$101,011. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 11955784
Dimensions7.19 × 7.82 × 4.42 mm
L/W Ratio1.09
Culet sizeNone
Top View
7.19 mm7.82 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 11955784
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 56.6%

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: Oct 31
Current: HK$101,011 HKD|Low: HK$58,299 HKD|High: HK$102,226 HKD|Avg: HK$74,830 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6HK$58,299 HKD
Retailer 2HK$67,620 HKD
Retailer 5HK$67,712 HKD
Retailer 4HK$68,303 HKD
Retailer 3HK$79,171 HKD
Retailer 7HK$79,811 HKD
MOH LondonHK$101,011 HKD

44 data points across 7 retailers

12 retailersHK$58,299 HKD to HK$101,011 HKD

B+
Cheapest Retailer
-
HK$58,299 HKD
$7,430 USD
B+
Retailer 2
-
HK$59,491 HKD
CA$10,531 CAD
View
B+
Retailer 3
-
HK$67,620 HKD
£6,786 GBP
View
B
Retailer 4
-
HK$67,712 HKD
$8,630 USD
View
Retailer 5
-
HK$68,303 HKD
A$13,393 AUD
View
Price last confirmed 10 days ago
B
Retailer 6
-
HK$69,571 HKD
$8,867 USD
View
B
Retailer 7
-
HK$72,027 HKD
$9,180 USD
View
B
Retailer 8
-
HK$72,027 HKD
$9,180 USD
View
B
Retailer 9
-
HK$74,459 HKD
$9,490 USD
View
B
Retailer 10
-
HK$79,171 HKD
€9,610 EUR
View
Retailer 11
-
HK$79,811 HKD
$10,172 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
071D4CC6A · Nov 2
HK$101,011 HKD
£10,137 GBP
View
11 more retailers have this diamond
Prices start from HK$58,299 HKDSave up to HK$42,711 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 Heart
HK$58,299 HKD