Round|Natural|GIA

1.62ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5231996007

Certificate GIA 5231996007

Diamond specifications and retailer prices

From $9,964 AUD
$6,999 USD
As of October 31, 2026
Save $5,887 AUD (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $19,288 AUD at NZ Jewellers · As of September 21, 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 5231996007. Listed at 10 retailers as of October 31, 2026, with a 59% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231996007
Dimensions7.44 × 7.49 × 4.67 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Needle
Top View
7.44 mm7.49 mm1.62 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231996007
Side View
Table 57.0%Crown 36.5°GirdlePavilion 40.6°CuletDepth 62.5%

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 31
Current: $12,604 AUD|Low: $9,964 AUD|High: $16,266 AUD|Avg: $11,936 AUD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$9,964 AUD
Retailer 6$10,435 AUD
Retailer 3$10,478 AUD
Retailer 4$10,969 AUD
Retailer 7$12,313 AUD
Retailer 1$12,604 AUD
Retailer 2$15,850 AUD

36 data points across 7 retailers

10 retailers$9,964 AUD to $15,850 AUD

B+
Cheapest Retailer
-
$9,964 AUD
$6,999 USD
Retailer 2
-
$10,435 AUD
$7,330 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$10,478 AUD
$7,360 USD
View
Retailer 4
-
$10,969 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
$11,477 AUD
$8,062 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$11,533 AUD
$8,101 USD
View
Price last confirmed 40 days ago
Retailer 7
-
$11,711 AUD
$8,226 USD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$12,604 AUD
£6,971 GBP
View
B
Retailer 9
-
$15,850 AUD
£8,767 GBP
View
Most Expensive
NZ Jewellers
edc2355d-ea92-4ddf-ac89-5b1f509bdaf1 · Sep 21
$19,288 AUD
$13,549 USD
View
Price last confirmed 41 days ago
9 more retailers have this diamond
Prices start from $9,964 AUDSave up to $5,887 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
$9,964 AUD