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Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5536009236

Certificate GIA 5536009236

Diamond specifications and retailer prices

From $6,259 SGD
₹464,949 INR
As of October 28, 2026
Save $3,775 SGD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,034 SGD at Cape Diamonds · As of October 27, 2026
View at Cape Diamonds

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5536009236. Listed at 7 retailers as of October 27, 2026, with prices from $6,259 to $10,034, a $3,775 spread on the same certified stone. Cape Diamonds lists it at $10,034. 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

1.60
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5536009236
Dimensions7.46 × 7.50 × 4.61 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.46 mm7.50 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536009236
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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 28
Current: $10,034 SGD|Low: $6,237 SGD|High: $10,481 SGD|Avg: $8,329 SGD|-3.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 2$6,259 SGD
Retailer 7$6,569 SGD
Retailer 6$8,180 SGD
Retailer 3$8,465 SGD
Retailer 5$8,484 SGD
Retailer 4$8,561 SGD
Cape Diamonds$10,034 SGD

41 data points across 7 retailers

7 retailers$6,259 SGD to $10,034 SGD

A
Cheapest Retailer
-
$6,259 SGD
₹464,949 INR
A
Retailer 2
-
$6,569 SGD
$5,124 USD
View
Final sale: no returns
B+
Retailer 3
-
$8,180 SGD
$6,380 USD
View
B+
Retailer 4
-
$8,465 SGD
€6,288 EUR
View
B+
Retailer 5
-
$8,484 SGD
£5,211 GBP
View
B+
Retailer 6
-
$8,561 SGD
$6,677 USD
View
Most Expensive
B
Cape Diamonds
cert_5536009236 · Oct 27
$10,034 SGD
ZAR 126,433 ZAR
View
6 more retailers have this diamond
Prices start from $6,259 SGDSave up to $3,775 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.

A
1.60ct Round
$6,259 SGD