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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 $6,942 AUD
₹464,949 INR
As of October 28, 2026
Save $4,186 AUD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,128 AUD 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 $6,942 to $11,128, a $4,186 spread on the same certified stone. Cape Diamonds lists it at $11,128. 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: $11,128 AUD|Low: $6,917 AUD|High: $11,624 AUD|Avg: $9,237 AUD|-3.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 2$6,942 AUD
Retailer 7$7,286 AUD
Retailer 6$9,072 AUD
Retailer 3$9,388 AUD
Retailer 5$9,410 AUD
Retailer 4$9,494 AUD
Cape Diamonds$11,128 AUD

41 data points across 7 retailers

7 retailers$6,942 AUD to $11,128 AUD

A
Cheapest Retailer
-
$6,942 AUD
₹464,949 INR
A
Retailer 2
-
$7,286 AUD
$5,124 USD
View
Final sale: no returns
B+
Retailer 3
-
$9,072 AUD
$6,380 USD
View
B+
Retailer 4
-
$9,388 AUD
€6,288 EUR
View
B+
Retailer 5
-
$9,410 AUD
£5,211 GBP
View
B+
Retailer 6
-
$9,494 AUD
$6,677 USD
View
Most Expensive
B
Cape Diamonds
cert_5536009236 · Oct 27
$11,128 AUD
ZAR 126,433 ZAR
View
6 more retailers have this diamond
Prices start from $6,942 AUDSave up to $4,186 AUD

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
$6,942 AUD