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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 $4,531 USD
HK$35,400 HKD
As of November 1, 2026
Save $4,595 USD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,126 USD 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 $4,531 to $9,126, a $4,595 spread on the same certified stone. MOH London lists it at $9,126. 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
Color
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: $9,126 USD|Low: $4,493 USD|High: $9,126 USD|Avg: $5,672 USD
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 1, 2026
Retailer 10$4,531 USD
Retailer 5$5,039 USD
Retailer 11$5,403 USD
Retailer 7$5,706 USD
Retailer 9$5,715 USD
Retailer 12$5,718 USD
Retailer 4$5,820 USD
Retailer 13$6,349 USD
Retailer 6$6,372 USD
Retailer 2$6,740 USD
Retailer 8$7,611 USD
Retailer 3$8,800 USD
MOH London$9,126 USD

41 data points across 13 retailers

13 retailers$4,531 USD to $9,126 USD

A
Cheapest Retailer
-
$4,531 USD
HK$35,400 HKD
A
Retailer 2
-
$5,039 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$5,403 USD
View
B+
Retailer 4
-
$5,706 USD
£4,493 GBP
View
B+
Retailer 5
-
$5,715 USD
SGD 7,723 SGD
View
B+
Retailer 6
-
$5,718 USD
View
Final sale: no returns
A
Retailer 7
-
$5,820 USD
View
B+
Retailer 8
-
$6,349 USD
View
B+
Retailer 9
-
$6,372 USD
£5,017 GBP
View
Retailer 10
-
$6,740 USD
€6,419 EUR
View
B
Retailer 11
-
$7,611 USD
ZAR 122,959 ZAR
View
B
Retailer 12
-
$8,800 USD
View
Most Expensive
B
MOH London
E76F662C0 · Nov 1
$9,126 USD
£7,186 GBP
View
12 more retailers have this diamond
Prices start from $4,531 USDSave up to $4,595 USD

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
$4,531 USD