CaratHunter
Plans
Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1559836848

Certificate GIA 1559836848

Diamond specifications and retailer prices

From $3,700 SGD
HK$22,600 HKD
As of November 2, 2026
Save $4,787 SGD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,486 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559836848. Listed at 19 retailers as of October 28, 2026, with prices from $3,700 to $8,486, a $4,787 spread on the same certified stone. Queensmith lists it at $8,486. 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

1.20
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559836848
Dimensions7.70 × 5.44 × 3.42 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.70 mm5.44 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559836848
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.9%

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: Nov 2
Current: $8,486 SGD|Low: $3,700 SGD|High: $8,519 SGD|Avg: $5,320 SGD|+2.2%
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
Retailer 15
November 2, 2026
Retailer 8$3,700 SGD
Retailer 2$3,857 SGD
Retailer 5$4,356 SGD
Retailer 4$4,419 SGD
Retailer 12$4,520 SGD
Retailer 9$4,776 SGD
Retailer 3$4,937 SGD
Retailer 13$5,009 SGD
Retailer 11$5,084 SGD
Retailer 7$5,167 SGD
Retailer 6$5,311 SGD
Retailer 10$5,730 SGD
Retailer 15$6,068 SGD
Retailer 14$8,256 SGD
Queensmith$8,486 SGD

25 data points across 15 retailers

19 retailers$3,700 SGD to $8,486 SGD

B+
Cheapest Retailer
-
$3,700 SGD
HK$22,600 HKD
B+
Retailer 2
-
$3,857 SGD
₹287,260 INR
View
B+
Retailer 3
-
$4,356 SGD
View
B
Retailer 4
-
$4,419 SGD
$3,455 USD
View
B+
Retailer 5
-
$4,520 SGD
$3,534 USD
View
Final sale: no returns
B
Retailer 6
-
$4,570 SGD
$3,573 USD
View
B
Retailer 7
-
$4,572 SGD
$3,575 USD
View
B
Retailer 8
-
$4,776 SGD
£2,941 GBP
View
B
Retailer 9
-
$4,845 SGD
A$5,828 AUD
View
B
Retailer 10
-
$4,937 SGD
$3,860 USD
View
B
Retailer 11
-
$5,009 SGD
£3,084 GBP
View
B
Retailer 12
-
$5,084 SGD
$3,975 USD
View
B
Retailer 13
-
$5,167 SGD
$4,040 USD
View
B
Retailer 14
-
$5,311 SGD
$4,153 USD
View
Retailer 15
-
$5,332 SGD
A$6,414 AUD
View
Price last confirmed 24 days ago
B
Retailer 16
-
$5,730 SGD
€4,267 EUR
View
B
Retailer 17
-
$6,068 SGD
ZAR 76,651 ZAR
View
B
Retailer 18
-
$8,256 SGD
£5,083 GBP
View
Most Expensive
B
Queensmith
1559836848 · Oct 28
$8,486 SGD
£5,225 GBP
View
18 more retailers have this diamond
Prices start from $3,700 SGDSave up to $4,787 SGD

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+
1.20ct Cushion
$3,700 SGD