CaratHunter
Plans
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 $170 NZD
$96 USD
As of October 31, 2026
Save $522 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,338 NZD at MOH London · As of November 1, 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 9 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,338 NZD|Low: $170 NZD|High: $1,357 NZD|Avg: $593 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$170 NZD
Retailer 3$193 NZD
Retailer 2$326 NZD
Retailer 7$360 NZD
Retailer 8$394 NZD
Retailer 6$468 NZD
Retailer 9$584 NZD
Retailer 4$586 NZD
Retailer 10$692 NZD
MOH London$1,338 NZD

41 data points across 10 retailers

9 retailers$170 NZD to $692 NZD

A
Cheapest Retailer
-
$170 NZD
$96 USD
A
Retailer 2
-
$193 NZD
$109 USD
View
A
Retailer 3
-
$326 NZD
£145 GBP
View
B+
Retailer 4
-
$394 NZD
$222 USD
View
B+
Retailer 5
-
$468 NZD
£208 GBP
View
B
Retailer 6
-
$584 NZD
$329 USD
View
B
Retailer 7
-
$586 NZD
$330 USD
View
B
Retailer 8
-
$692 NZD
$390 USD
View
Most Expensive
MOH London
LG816670231 · Nov 1
$1,338 NZD
£594 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $170 NZDSave up to $522 NZD

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
$170 NZD