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Round|Lab Grown|IGI

1.57ct H IF Round Lab Grown Diamond

ID • H/IF • IGI LG850682634

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850682634

Diamond specifications and retailer prices

From $357 AUD
$251 USD
As of October 29, 2026
Save $1,497 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,854 AUD at With Clarity · As of October 29, 2026
View at With Clarity

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850682634 or 850682634. Listed at 10 retailers as of October 29, 2026, with prices from $357 to $1,854, a $1,497 spread on the same certified stone. With Clarity lists it at $1,854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850682634
Dimensions7.40 × 7.44 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.44 mm1.57 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850682634
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.0%

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 29
Current: $357 AUD|Low: $357 AUD|High: $1,854 AUD|Avg: $929 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 29, 2026
Retailer 1$357 AUD
Retailer 4$470 AUD
Retailer 6$510 AUD
Retailer 8$597 AUD
Retailer 2$668 AUD
Retailer 3$718 AUD
Retailer 5$820 AUD
Retailer 9$1,455 AUD
Retailer 7$1,495 AUD
With Clarity$1,854 AUD

2 data points across 10 retailers

10 retailers$357 AUD to $1,854 AUD

A
Cheapest Retailer
-
$357 AUD
$251 USD
A
Retailer 2
-
$470 AUD
£260 GBP
View
A
Retailer 3
-
$510 AUD
HK$2,800 HKD
View
B+
Retailer 4
-
$597 AUD
$420 USD
View
A
Retailer 5
-
$668 AUD
$470 USD
View
A
Retailer 6
-
$718 AUD
€481 EUR
View
A
Retailer 7
-
$820 AUD
$577 USD
View
B+
Retailer 8
-
$1,455 AUD
SGD 1,383 SGD
View
B+
Retailer 9
-
$1,495 AUD
$1,051 USD
View
Most Expensive
B
With Clarity
850682634 · Oct 29
$1,854 AUD
$1,304 USD
View
9 more retailers have this diamond
Prices start from $357 AUDSave up to $1,497 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.

A
1.57ct Round
$357 AUD