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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2556191991

Certificate GIA 2556191991

Diamond specifications and retailer prices

From ₹4,42,205 INR
HK$36,400 HKD
As of November 1, 2026
Save ₹4,89,536 INR (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹9,31,741 INR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded F 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 2556191991. Listed at 18 retailers as of October 28, 2026, with prices from ₹4,42,205 to ₹9,31,741, a ₹4,89,536 spread on the same certified stone. Queensmith lists it at ₹9,31,741. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556191991
Dimensions8.09 × 5.59 × 3.82 mm
L/W Ratio1.45
Top View
8.09 mm5.59 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556191991
Side View
Table 65.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹9,31,741 INR|Low: ₹4,37,345 INR|High: ₹9,38,370 INR|Avg: ₹6,18,925 INR|+1.9%
Queensmith
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
November 3, 2026
Retailer 11₹4,42,205 INR
Retailer 6₹4,49,775 INR
Retailer 7₹4,71,127 INR
Retailer 13₹4,92,298 INR
Retailer 14₹5,03,644 INR
Retailer 4₹5,16,026 INR
Retailer 2₹5,64,983 INR
Retailer 12₹5,88,917 INR
Retailer 5₹6,03,830 INR
Retailer 3₹6,15,681 INR
Retailer 8₹6,43,376 INR
Retailer 10₹7,23,568 INR
Retailer 9₹8,67,616 INR
Queensmith₹9,31,741 INR

29 data points across 14 retailers

18 retailers₹4,42,205 INR to ₹9,31,741 INR

A
Cheapest Retailer
-
₹4,42,205 INR
HK$36,400 HKD
A
Retailer 2
-
₹4,49,775 INR
SGD 6,404 SGD
View
A
Retailer 3
-
₹4,71,127 INR
View
A
Retailer 4
-
₹4,92,298 INR
$5,187 USD
View
A
Retailer 5
-
₹5,03,644 INR
SGD 7,171 SGD
View
A
Retailer 6
-
₹5,16,026 INR
$5,437 USD
View
B+
Retailer 7
-
₹5,40,892 INR
$5,699 USD
View
B+
Retailer 8
-
₹5,40,987 INR
$5,700 USD
View
B+
Retailer 9
-
₹5,64,983 INR
£4,687 GBP
View
B+
Retailer 10
-
₹5,88,917 INR
$6,205 USD
View
Retailer 11
-
₹5,88,968 INR
A$9,547 AUD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
₹6,03,219 INR
A$9,778 AUD
View
B+
Retailer 13
-
₹6,03,830 INR
$6,362 USD
View
B+
Retailer 14
-
₹6,15,681 INR
$6,487 USD
View
B+
Retailer 15
-
₹6,43,376 INR
€6,456 EUR
View
B+
Retailer 16
-
₹7,23,568 INR
ZAR 123,162 ZAR
View
B
Retailer 17
-
₹8,67,616 INR
£7,198 GBP
View
Most Expensive
B
Queensmith
2556191991 · Oct 28
₹9,31,741 INR
£7,730 GBP
View
17 more retailers have this diamond
Prices start from ₹4,42,205 INRSave up to ₹4,89,536 INR

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 Cushion
₹4,42,205 INR