CaratHunter
Plans
Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2136475204

Certificate GIA 2136475204

Diamond specifications and retailer prices

From $10,418 AUD
$7,327 USD
As of October 29, 2026
Save $13,852 AUD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $24,270 AUD at Diamond Quarter · As of October 28, 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 28, 2026, with prices from $10,418 to $24,270, a $13,852 spread on the same certified stone. Diamond Quarter lists it at $24,270. 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 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 29
Current: $12,994 AUD|Low: $10,418 AUD|High: $19,817 AUD|Avg: $14,256 AUD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$10,418 AUD
Retailer 6$12,985 AUD
Retailer 1$12,994 AUD
Retailer 3$13,043 AUD
Retailer 8$13,906 AUD
Retailer 9$13,906 AUD
Retailer 10$14,375 AUD
Retailer 5$14,530 AUD
Retailer 2$15,467 AUD
Retailer 4$19,685 AUD

42 data points across 10 retailers

19 retailers$10,418 AUD to $24,270 AUD

B+
Cheapest Retailer
-
$10,418 AUD
$7,327 USD
B+
Retailer 2
-
$10,656 AUD
$7,494 USD
View
B+
Retailer 3
-
$10,979 AUD
View
B+
Retailer 4
-
$11,319 AUD
$7,961 USD
View
B
Retailer 5
-
$11,456 AUD
CA$11,190 CAD
View
B+
Retailer 6
-
$12,985 AUD
View
B+
Retailer 7
-
$12,994 AUD
£7,196 GBP
View
B
Retailer 8
-
$13,043 AUD
$9,173 USD
View
B
Retailer 9
-
$13,043 AUD
$9,173 USD
View
Price last confirmed 20 days ago
B
Retailer 10
-
$13,043 AUD
$9,173 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$13,508 AUD
$9,500 USD
View
B
Retailer 12
-
$13,906 AUD
$9,780 USD
View
B
Retailer 13
-
$13,906 AUD
$9,780 USD
View
B
Retailer 14
-
$14,375 AUD
$10,110 USD
View
B
Retailer 15
-
$14,530 AUD
€9,732 EUR
View
B
Retailer 16
-
$15,000 AUD
$10,549 USD
View
B
Retailer 17
-
$15,467 AUD
$10,878 USD
View
B
Retailer 18
-
$19,685 AUD
£10,901 GBP
View
Most Expensive
B
Diamond Quarter
1.6SI1H21043E43N · Oct 28
$24,270 AUD
£13,440 GBP
View
18 more retailers have this diamond
Prices start from $10,418 AUDSave up to $13,852 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.

B+
1.60ct Round
$10,418 AUD