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0.43ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG455034644

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455034644

Diamond specifications and retailer prices

From $260 USD
As of October 31, 2026
Save $1,062 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,322 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.43ct lab-grown round diamond

This 0.43ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455034644 or 455034644. Listed at 10 retailers as of October 29, 2026, with prices from $260 to $1,322, a $1,062 spread on the same certified stone. MOH London lists it at $1,322. 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

0.43
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455034644
Dimensions4.84 × 4.88 × 2.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.84 mm4.88 mm0.43 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455034644
Side View
Table 59.5%Crown 34.1°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 60.8%

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 31
Current: $1,322 USD|Low: $254 USD|High: $1,331 USD|Avg: $521 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$260 USD
Retailer 5$265 USD
Retailer 8$307 USD
Retailer 6$328 USD
Retailer 9$442 USD
Retailer 7$546 USD
Retailer 4$617 USD
Retailer 2$621 USD
MOH London$1,322 USD

42 data points across 9 retailers

10 retailers$260 USD to $1,322 USD

A
Cheapest Retailer
-
$260 USD
A
Retailer 2
-
$265 USD
View
B+
Retailer 3
-
$307 USD
View
B+
Retailer 4
-
$328 USD
View
Retailer 5
-
$328 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$546 USD
View
B
Retailer 7
-
$617 USD
€588 EUR
View
B
Retailer 8
-
$621 USD
£489 GBP
View
B
Retailer 9
-
$1,054 USD
View
Most Expensive
B
MOH London
LG455034644 · Oct 29
$1,322 USD
£1,041 GBP
View
9 more retailers have this diamond
Prices start from $260 USDSave up to $1,062 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
0.43ct Round
$260 USD