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Oval|Lab Grown|IGI

0.33ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG816670231

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816670231

Diamond specifications and retailer prices

From $137 AUD
$96 USD
As of October 31, 2026
Save $419 AUD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,081 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.33ct lab-grown oval diamond

This 0.33ct lab-grown oval sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816670231 or 816670231. Listed at 8 retailers as of October 31, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670231
Dimensions5.46 × 3.97 × 2.35 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
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
5.46 mm3.97 mm0.33 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816670231
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 38.3°CuletDepth 59.2%

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 31
Current: $1,081 AUD|Low: $137 AUD|High: $1,088 AUD|Avg: $477 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$137 AUD
Retailer 3$261 AUD
Retailer 6$288 AUD
Retailer 7$316 AUD
Retailer 5$375 AUD
Retailer 8$468 AUD
Retailer 2$470 AUD
Retailer 9$555 AUD
MOH London$1,081 AUD

41 data points across 9 retailers

8 retailers$137 AUD to $555 AUD

A
Cheapest Retailer
-
$137 AUD
$96 USD
A
Retailer 2
-
$261 AUD
£145 GBP
View
B+
Retailer 3
-
$316 AUD
$222 USD
View
B+
Retailer 4
-
$375 AUD
£208 GBP
View
B
Retailer 5
-
$468 AUD
$329 USD
View
B
Retailer 6
-
$470 AUD
$330 USD
View
B
Retailer 7
-
$555 AUD
$390 USD
View
Most Expensive
MOH London
LG816670231 · Oct 29
$1,081 AUD
£598 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $137 AUDSave up to $419 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
0.33ct Oval
$137 AUD