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Cushion|Natural|GIA

1.91ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6541514873

Certificate GIA 6541514873

Diamond specifications and retailer prices

From HK$40,637 HKD
As of November 5, 2026
Save HK$26,997 HKD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$67,634 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.91ct natural cushion diamond

This 1.91ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541514873. Listed at 6 retailers as of November 4, 2026, with prices from HK$40,637 to HK$67,634, a HK$26,997 spread on the same certified stone. MOH London lists it at HK$67,634. 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

1.91
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541514873
Dimensions7.86 × 6.21 × 4.50 mm
L/W Ratio1.27
Top View
7.86 mm6.21 mm1.91 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541514873
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 72.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$67,634 HKD|Low: HK$38,952 HKD|High: HK$77,057 HKD|Avg: HK$51,216 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5HK$40,637 HKD
Retailer 3HK$40,888 HKD
Retailer 7HK$40,896 HKD
Retailer 6HK$42,573 HKD
Retailer 2HK$47,902 HKD
Retailer 4HK$51,946 HKD
MOH LondonHK$67,634 HKD
Retailer 8HK$77,057 HKD

41 data points across 8 retailers

6 retailersHK$40,637 HKD to HK$67,634 HKD

B+
Cheapest Retailer
-
HK$40,637 HKD
B+
Retailer 2
-
HK$40,888 HKD
View
Retailer 3
-
HK$42,573 HKD
View
Price last confirmed 30 days ago
B+
Retailer 4
-
HK$47,902 HKD
View
B
Retailer 5
-
HK$51,946 HKD
View
Most Expensive
B
MOH London
FF54AB538 · Nov 4
HK$67,634 HKD
£6,795 GBP
View
5 more retailers have this diamond
Prices start from HK$40,637 HKDSave up to HK$26,997 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+
1.91ct Cushion
HK$40,637 HKD