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Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556369395

Certificate GIA 2556369395

Diamond specifications and retailer prices

From $5,793 SGD
HK$35,400 HKD
As of November 1, 2026
Save $5,874 SGD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,667 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556369395. Listed at 13 retailers as of November 1, 2026, with prices from $5,793 to $11,667, a $5,874 spread on the same certified stone. MOH London lists it at $11,667. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556369395
Dimensions7.46 × 7.41 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural, Natural
Top View
7.46 mm7.41 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556369395
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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: Nov 1
Current: $11,667 SGD|Low: $5,744 SGD|High: $11,667 SGD|Avg: $7,325 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10$5,793 SGD
Retailer 5$6,442 SGD
Retailer 11$6,907 SGD
Retailer 6$7,294 SGD
Retailer 9$7,306 SGD
Retailer 12$7,310 SGD
Retailer 4$7,440 SGD
Retailer 13$8,116 SGD
Retailer 2$8,145 SGD
Retailer 7$8,616 SGD
Retailer 8$9,730 SGD
Retailer 3$11,250 SGD
MOH London$11,667 SGD

41 data points across 13 retailers

13 retailers$5,793 SGD to $11,667 SGD

A
Cheapest Retailer
-
$5,793 SGD
HK$35,400 HKD
Retailer 2
-
$6,442 SGD
$5,039 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$6,907 SGD
$5,403 USD
View
B+
Retailer 4
-
$7,294 SGD
£4,493 GBP
View
B+
Retailer 5
-
$7,306 SGD
View
B+
Retailer 6
-
$7,310 SGD
$5,718 USD
View
Final sale: no returns
A
Retailer 7
-
$7,440 SGD
$5,820 USD
View
B+
Retailer 8
-
$8,116 SGD
$6,349 USD
View
B+
Retailer 9
-
$8,145 SGD
£5,017 GBP
View
B+
Retailer 10
-
$8,616 SGD
€6,419 EUR
View
B
Retailer 11
-
$9,730 SGD
ZAR 122,959 ZAR
View
B
Retailer 12
-
$11,250 SGD
$8,800 USD
View
Most Expensive
B
MOH London
E76F662C0 · Nov 1
$11,667 SGD
£7,186 GBP
View
12 more retailers have this diamond
Prices start from $5,793 SGDSave up to $5,874 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
$5,793 SGD