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Round|Lab Grown|IGI

1.57ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG799694458

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799694458

Diamond specifications and retailer prices

From $493 AUD
$346 USD
As of November 1, 2026
Save $2,305 AUD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,797 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799694458 or 799694458. Listed at 23 retailers as of October 28, 2026, with prices from $493 to $2,797, a $2,305 spread on the same certified stone. Rare Carat lists it at $2,797. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799694458
Dimensions7.45 × 7.48 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.48 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799694458
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.9%

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: Nov 1
Current: $2,797 AUD|Low: $493 AUD|High: $2,819 AUD|Avg: $1,374 AUD|-0.8%
Rare Carat
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$493 AUD
Retailer 10$571 AUD
Retailer 4$611 AUD
Retailer 14$611 AUD
Retailer 3$819 AUD
Retailer 20$826 AUD
Retailer 2$867 AUD
Retailer 17$961 AUD
Retailer 5$978 AUD
Retailer 13$1,053 AUD
Retailer 15$1,085 AUD
Retailer 6$1,324 AUD
Retailer 19$1,418 AUD
Retailer 18$1,426 AUD
Retailer 7$1,963 AUD
Retailer 8$1,987 AUD
Retailer 12$2,023 AUD
Retailer 9$2,306 AUD
Retailer 16$2,387 AUD
Retailer 11$2,646 AUD
Rare Carat$2,797 AUD

28 data points across 21 retailers

23 retailers$493 AUD to $2,797 AUD

A
Cheapest Retailer
-
$493 AUD
$346 USD
A
Retailer 2
-
$571 AUD
$401 USD
View
Retailer 3
-
$611 AUD
$429 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$611 AUD
$429 USD
View
A
Retailer 5
-
$692 AUD
HK$3,800 HKD
View
A
Retailer 6
-
$819 AUD
$575 USD
View
A
Retailer 7
-
$826 AUD
$580 USD
View
A
Retailer 8
-
$867 AUD
£479 GBP
View
A
Retailer 9
-
$961 AUD
€643 EUR
View
A
Retailer 10
-
$978 AUD
$687 USD
View
A
Retailer 11
-
$1,053 AUD
ZAR 11,951 ZAR
View
A
Retailer 12
-
$1,085 AUD
£600 GBP
View
B+
Retailer 13
-
$1,324 AUD
$930 USD
View
B+
Retailer 14
-
$1,418 AUD
View
B+
Retailer 15
-
$1,426 AUD
$1,002 USD
View
B
Retailer 16
-
$1,963 AUD
$1,379 USD
View
B
Retailer 17
-
$1,987 AUD
SGD 1,886 SGD
View
B
Retailer 18
-
$2,023 AUD
$1,421 USD
View
B
Retailer 19
-
$2,172 AUD
$1,526 USD
View
B
Retailer 20
-
$2,306 AUD
$1,620 USD
View
B
Retailer 21
-
$2,387 AUD
£1,320 GBP
View
B
Retailer 22
-
$2,646 AUD
$1,859 USD
View
Most Expensive
B
Rare Carat
AJ-35132239 · Oct 28
$2,797 AUD
$1,965 USD
View
22 more retailers have this diamond
Prices start from $493 AUDSave up to $2,305 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
$493 AUD