CaratHunter
Plans
Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6551192167

Certificate GIA 6551192167

Diamond specifications and retailer prices

From HK$48,807 HKD
As of October 30, 2026
Save HK$42,922 HKD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$91,729 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion 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 6551192167. Listed at 18 retailers as of October 29, 2026, with prices from HK$48,807 to HK$91,729, a HK$42,922 spread on the same certified stone. MOH London lists it at HK$91,729. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551192167
Dimensions7.95 × 5.93 × 3.97 mm
L/W Ratio1.34
Top View
7.95 mm5.93 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551192167
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.9%

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 30
Current: HK$91,729 HKD|Low: HK$48,807 HKD|High: HK$92,815 HKD|Avg: HK$66,357 HKD|-0.9%
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
October 31, 2026
Retailer 3HK$48,807 HKD
Retailer 10HK$52,388 HKD
Retailer 14HK$53,264 HKD
Retailer 7HK$57,913 HKD
Retailer 2HK$59,470 HKD
Retailer 5HK$59,470 HKD
Retailer 4HK$60,428 HKD
Retailer 9HK$60,435 HKD
Retailer 8HK$61,793 HKD
Retailer 15HK$62,781 HKD
Retailer 6HK$66,866 HKD
Retailer 11HK$71,423 HKD
Retailer 13HK$79,714 HKD
Retailer 12HK$90,772 HKD
MOH LondonHK$91,729 HKD

29 data points across 15 retailers

18 retailersHK$48,807 HKD to HK$91,729 HKD

A
Cheapest Retailer
-
HK$48,807 HKD
A
Retailer 2
-
HK$52,388 HKD
₹635,933 INR
View
B+
Retailer 3
-
HK$53,264 HKD
$6,789 USD
View
Retailer 4
-
HK$56,438 HKD
SGD 9,721 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
HK$57,913 HKD
SGD 9,975 SGD
View
B+
Retailer 6
-
HK$59,470 HKD
$7,580 USD
View
B+
Retailer 7
-
HK$59,470 HKD
$7,580 USD
View
B+
Retailer 8
-
HK$59,682 HKD
$7,607 USD
View
B+
Retailer 9
-
HK$60,428 HKD
$7,702 USD
View
Final sale: no returns
B+
Retailer 10
-
HK$60,435 HKD
$7,703 USD
View
B+
Retailer 11
-
HK$61,793 HKD
£6,202 GBP
View
Retailer 12
-
HK$62,781 HKD
A$12,311 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
HK$66,439 HKD
A$13,028 AUD
View
B+
Retailer 14
-
HK$66,866 HKD
$8,523 USD
View
B+
Retailer 15
-
HK$71,423 HKD
€8,670 EUR
View
B
Retailer 16
-
HK$79,714 HKD
ZAR 164,139 ZAR
View
B
Retailer 17
-
HK$90,772 HKD
£9,110 GBP
View
Most Expensive
B
MOH London
8691550C1 · Oct 29
HK$91,729 HKD
£9,206 GBP
View
17 more retailers have this diamond
Prices start from HK$48,807 HKDSave up to HK$42,922 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
1.50ct Cushion
HK$48,807 HKD