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Round|Lab Grown|IGI

3.57ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG655442262

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655442262

Diamond specifications and retailer prices

From $572 AUD
$401 USD
As of November 1, 2026
Save $2,219 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,791 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.57ct lab-grown round diamond

This 3.57ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG655442262 or 655442262. Listed at 15 retailers as of October 29, 2026, with prices from $572 to $2,791, a $2,219 spread on the same certified stone. MOH London lists it at $2,791. 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

3.57
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442262
Dimensions9.89 × 9.87 × 5.99 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
9.89 mm9.87 mm3.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442262
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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: $2,791 AUD|Low: $572 AUD|High: $7,177 AUD|Avg: $2,246 AUD
MOH London
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 12$572 AUD
Retailer 6$642 AUD
Retailer 16$711 AUD
Retailer 17$785 AUD
Retailer 13$920 AUD
Retailer 2$988 AUD
Retailer 4$1,124 AUD
Retailer 14$1,128 AUD
Retailer 10$1,163 AUD
Retailer 15$1,180 AUD
Retailer 3$1,858 AUD
Retailer 11$1,992 AUD
Retailer 5$2,283 AUD
MOH London$2,791 AUD
Retailer 7$3,689 AUD
Retailer 8$6,980 AUD
Retailer 9$7,177 AUD

7 data points across 17 retailers

15 retailers$572 AUD to $2,791 AUD

A
Cheapest Retailer
-
$572 AUD
$401 USD
A
Retailer 2
-
$642 AUD
$450 USD
View
A
Retailer 3
-
$711 AUD
$498 USD
View
A
Retailer 4
-
$785 AUD
HK$4,300 HKD
View
A
Retailer 5
-
$920 AUD
$645 USD
View
A
Retailer 6
-
$988 AUD
£545 GBP
View
B+
Retailer 7
-
$1,124 AUD
$788 USD
View
A
Retailer 8
-
$1,128 AUD
€753 EUR
View
A
Retailer 9
-
$1,163 AUD
£642 GBP
View
A
Retailer 10
-
$1,180 AUD
$827 USD
View
B+
Retailer 11
-
$1,858 AUD
$1,302 USD
View
B+
Retailer 12
-
$1,992 AUD
$1,396 USD
View
B+
Retailer 13
-
$2,283 AUD
$1,600 USD
View
B
Retailer 14
-
$2,725 AUD
$1,910 USD
View
Most Expensive
B
MOH London
LG655442262 · Oct 29
$2,791 AUD
£1,540 GBP
View
14 more retailers have this diamond
Prices start from $572 AUDSave up to $2,219 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
3.57ct Round
$572 AUD