CaratHunter
Plans
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 $401 USD
As of October 29, 2026
Save $1,555 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,956 USD 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 $401 to $1,956, a $1,555 spread on the same certified stone. MOH London lists it at $1,956. 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
Color
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: Oct 29
Current: $1,956 USD|Low: $401 USD|High: $5,030 USD|Avg: $1,619 USD
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
October 31, 2026
Retailer 12$401 USD
Retailer 6$450 USD
Retailer 16$498 USD
Retailer 17$550 USD
Retailer 13$645 USD
Retailer 11$695 USD
Retailer 4$788 USD
Retailer 14$791 USD
Retailer 2$815 USD
Retailer 15$827 USD
Retailer 3$1,302 USD
Retailer 10$1,396 USD
Retailer 5$1,600 USD
MOH London$1,956 USD
Retailer 7$2,585 USD
Retailer 8$4,892 USD
Retailer 9$5,030 USD

5 data points across 17 retailers

15 retailers$401 USD to $1,956 USD

A
Cheapest Retailer
-
$401 USD
A
Retailer 2
-
$450 USD
View
A
Retailer 3
-
$498 USD
View
A
Retailer 4
-
$550 USD
HK$4,300 HKD
View
A
Retailer 5
-
$645 USD
View
A
Retailer 6
-
$695 USD
£547 GBP
View
B+
Retailer 7
-
$788 USD
View
A
Retailer 8
-
$791 USD
€753 EUR
View
A
Retailer 9
-
$815 USD
£642 GBP
View
A
Retailer 10
-
$827 USD
View
B+
Retailer 11
-
$1,302 USD
View
B+
Retailer 12
-
$1,396 USD
View
B+
Retailer 13
-
$1,600 USD
View
B
Retailer 14
-
$1,910 USD
View
Most Expensive
B
MOH London
LG655442262 · Oct 29
$1,956 USD
£1,540 GBP
View
14 more retailers have this diamond
Prices start from $401 USDSave up to $1,555 USD

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
$401 USD