Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5563221625

Certificate GIA 5563221625

Diamond specifications and retailer prices

From $5,005 USD
HK$39,100 HKD
As of October 31, 2026
Save $6,254 USD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,259 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 5563221625. Listed at 19 retailers as of October 30, 2026, with prices from $5,005 to $11,259, a $6,254 spread on the same certified stone. NZ Jewellers lists it at $11,259. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563221625
Dimensions7.39 × 7.43 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
7.39 mm7.43 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5563221625
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 31
Current: $8,271 USD|Low: $5,005 USD|High: $10,037 USD|Avg: $7,067 USD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 6$5,005 USD
Retailer 10$5,620 USD
Retailer 4$5,862 USD
Retailer 11$6,214 USD
Retailer 5$6,245 USD
Retailer 8$6,413 USD
Retailer 12$6,602 USD
Retailer 3$6,835 USD
Retailer 13$6,979 USD
Retailer 7$7,356 USD
Retailer 2$7,550 USD
Retailer 1$8,271 USD
Retailer 9$9,971 USD

43 data points across 13 retailers

19 retailers$5,005 USD to $11,259 USD

A
Cheapest Retailer
-
$5,005 USD
HK$39,100 HKD
A
Retailer 2
-
$5,620 USD
View
Retailer 3
-
$5,701 USD
SGD 7,704 SGD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$5,862 USD
View
B+
Retailer 5
-
$5,871 USD
View
B+
Retailer 6
-
$6,214 USD
View
B+
Retailer 7
-
$6,214 USD
View
Final sale: no returns
B+
Retailer 8
-
$6,245 USD
View
B+
Retailer 9
-
$6,413 USD
£5,050 GBP
View
Retailer 10
-
$6,602 USD
A$10,156 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$6,732 USD
View
B+
Retailer 12
-
$6,835 USD
View
B+
Retailer 13
-
$6,979 USD
View
B+
Retailer 14
-
$7,356 USD
€7,006 EUR
View
Retailer 15
-
$7,550 USD
£5,945 GBP
View
Price last confirmed 31 days ago
B
Retailer 16
-
$7,767 USD
View
B+
Retailer 17
-
$8,271 USD
ZAR 133,614 ZAR
View
B
Retailer 18
-
$9,971 USD
£7,851 GBP
View
Most Expensive
B
NZ Jewellers
9ca6b0b3-01fb-47ce-8466-0ab880ee7667 · Oct 30
$11,259 USD
View
18 more retailers have this diamond
Prices start from $5,005 USDSave up to $6,254 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
$5,005 USD