Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2136475204

Certificate GIA 2136475204

Diamond specifications and retailer prices

From $7,327 USD
As of October 30, 2026
Save $9,742 USD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,069 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 2136475204. Listed at 19 retailers as of October 30, 2026, with prices from $7,327 to $17,069, a $9,742 spread on the same certified stone. Diamond Quarter lists it at $17,069. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2136475204
Dimensions7.54 × 7.53 × 4.57 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Top View
7.54 mm7.53 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2136475204
Side View
Table 62.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,167 USD|Low: $7,327 USD|High: $13,937 USD|Avg: $10,024 USD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$7,327 USD
Retailer 6$9,132 USD
Retailer 1$9,167 USD
Retailer 4$9,173 USD
Retailer 8$9,780 USD
Retailer 9$9,780 USD
Retailer 10$10,110 USD
Retailer 3$10,301 USD
Retailer 2$10,878 USD
Retailer 5$13,844 USD

43 data points across 10 retailers

19 retailers$7,327 USD to $17,069 USD

B+
Cheapest Retailer
-
$7,327 USD
B+
Retailer 2
-
$7,494 USD
View
B+
Retailer 3
-
$7,721 USD
A$11,879 AUD
View
B+
Retailer 4
-
$7,961 USD
View
B
Retailer 5
-
$8,057 USD
CA$11,190 CAD
View
Retailer 6
-
$9,132 USD
A$14,049 AUD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$9,167 USD
£7,218 GBP
View
B
Retailer 8
-
$9,173 USD
View
Retailer 9
-
$9,173 USD
View
Price last confirmed 22 days ago
Retailer 10
-
$9,173 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$9,500 USD
View
B
Retailer 12
-
$9,780 USD
View
B
Retailer 13
-
$9,780 USD
View
B
Retailer 14
-
$9,790 USD
View
B
Retailer 15
-
$10,110 USD
View
B
Retailer 16
-
$10,301 USD
€9,810 EUR
View
B
Retailer 17
-
$10,549 USD
View
B
Retailer 18
-
$13,844 USD
£10,901 GBP
View
Most Expensive
B
Diamond Quarter
1.6SI1H21043E43N · Oct 31
$17,069 USD
£13,440 GBP
View
18 more retailers have this diamond
Prices start from $7,327 USDSave up to $9,742 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.

B+
1.60ct Round
$7,327 USD