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Round|Natural|GIA

1.62ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1535315593

Certificate GIA 1535315593

Diamond specifications and retailer prices

From $11,638 AUD
$8,185 USD
As of October 28, 2026
Save $9,079 AUD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $20,717 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.62ct natural round diamond

This 1.62ct 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 1535315593. Listed at 20 retailers as of October 27, 2026, with prices from $11,638 to $20,717, a $9,079 spread on the same certified stone. NZ Jewellers lists it at $20,717. 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

1.62
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1535315593
Dimensions7.46 × 7.51 × 4.71 mm
L/W Ratio1.01
Star length50%
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.46 mm7.51 mm1.62 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535315593
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 28
Current: $13,453 AUD|Low: $8,972 AUD|High: $19,647 AUD|Avg: $14,066 AUD|+22.4%
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
Retailer 14
Retailer 15
October 29, 2026
Retailer 7$8,972 AUD
Retailer 12$11,418 AUD
Retailer 15$11,638 AUD
Retailer 14$12,342 AUD
Retailer 13$12,430 AUD
Retailer 1$13,453 AUD
Retailer 5$13,465 AUD
Retailer 10$13,654 AUD
Retailer 2$14,674 AUD
Retailer 6$14,674 AUD
Retailer 3$15,157 AUD
Retailer 9$15,390 AUD
Retailer 4$16,360 AUD
Retailer 11$17,938 AUD
Retailer 8$19,517 AUD

44 data points across 15 retailers

20 retailers$11,638 AUD to $20,717 AUD

B+
Retailer 1
-
$11,418 AUD
$8,030 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
$11,638 AUD
$8,185 USD
View
B+
Retailer 3
-
$12,342 AUD
$8,680 USD
View
B+
Retailer 4
-
$12,430 AUD
$8,742 USD
View
B
Retailer 5
-
$12,430 AUD
$8,742 USD
View
Final sale: no returns
B+
Retailer 6
-
$13,453 AUD
£7,450 GBP
View
B
Retailer 7
-
$13,465 AUD
$9,470 USD
View
B+
Retailer 8
-
$13,654 AUD
View
B
Retailer 9
-
$13,673 AUD
$9,616 USD
View
B
Retailer 10
-
$13,693 AUD
$9,630 USD
View
Price last confirmed 60 days ago
B
Retailer 11
-
$14,674 AUD
$10,320 USD
View
B
Retailer 12
-
$14,674 AUD
$10,320 USD
View
B
Retailer 13
-
$15,157 AUD
$10,660 USD
View
B
Retailer 14
-
$15,390 AUD
€10,308 EUR
View
B
Retailer 15
-
$15,537 AUD
$10,927 USD
View
B
Retailer 16
-
$16,360 AUD
$11,506 USD
View
B
Retailer 17
-
$17,938 AUD
ZAR 203,801 ZAR
View
B
Retailer 18
-
$19,517 AUD
£10,808 GBP
View
B
Retailer 19
-
$19,848 AUD
$13,959 USD
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
6c38b3ab-cd10-4260-ad85-11abc05b2ead · Oct 27
$20,717 AUD
$14,570 USD
View
19 more retailers have this diamond
Prices start from $11,638 AUDSave up to $9,079 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+
1.62ct Round
$11,638 AUD