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0.33ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG459193274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459193274

Diamond specifications and retailer prices

From $168 USD
As of October 29, 2026
Save $805 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $973 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.33ct lab-grown round diamond

This 0.33ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459193274 or 459193274. Listed at 11 retailers as of October 26, 2026, with prices from $168 to $973, a $805 spread on the same certified stone. MOH London lists it at $973. 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

0.33
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459193274
Dimensions4.38 × 4.32 × 2.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.38 mm4.32 mm0.33 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459193274
Side View
Table 57.5%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $973 USD|Low: $161 USD|High: $983 USD|Avg: $356 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$168 USD
Retailer 8$194 USD
Retailer 6$208 USD
Retailer 2$220 USD
Retailer 9$298 USD
Retailer 3$368 USD
Retailer 7$373 USD
Retailer 4$427 USD
MOH London$973 USD

44 data points across 9 retailers

11 retailers$168 USD to $973 USD

A
Cheapest Retailer
-
$168 USD
A
Retailer 2
-
$194 USD
View
A
Retailer 3
-
$208 USD
View
A
Retailer 4
-
$208 USD
View
A
Retailer 5
-
$220 USD
View
B+
Retailer 6
-
$368 USD
£290 GBP
View
B+
Retailer 7
-
$373 USD
View
B
Retailer 8
-
$427 USD
€407 EUR
View
B
Retailer 9
-
$489 USD
£385 GBP
View
B
Retailer 10
-
$668 USD
View
Most Expensive
B
MOH London
LG459193274 · Oct 26
$973 USD
£766 GBP
View
10 more retailers have this diamond
Prices start from $168 USDSave up to $805 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
0.33ct Round
$168 USD