Princess|Lab Grown|IGI

0.30ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG680538456

Shape and cutting style on the report: Princess cut

Certificate IGI LG680538456

Diamond specifications and retailer prices

From $118 USD
As of October 27, 2026
Save $410 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,226 USD at MOH London · As of October 25, 2026
View at MOH London

About this 0.3ct lab-grown princess diamond

This 0.3ct lab-grown princess 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 LG680538456 or 680538456. Listed at 14 retailers as of October 27, 2026, with a 348% 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

0.30
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680538456
Dimensions3.72 × 3.64 × 2.58 mm
L/W Ratio1.02
Culet sizePointed
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
3.72 mm3.64 mm0.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG680538456
Side View
Table 69.0%Crown 41.9°Girdle: MediumPavilion 38.4°Culet: NoneDepth 70.9%

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 27
Current: $1,226 USD|Low: $113 USD|High: $1,238 USD|Avg: $343 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$118 USD
Retailer 3$137 USD
Retailer 9$156 USD
Retailer 11$156 USD
Retailer 8$208 USD
Retailer 4$250 USD
Retailer 5$264 USD
Retailer 2$299 USD
Retailer 6$376 USD
Retailer 12$442 USD
Retailer 10$471 USD
MOH London$1,226 USD

43 data points across 12 retailers

14 retailers$118 USD to $528 USD

A
Cheapest Retailer
-
$118 USD
A
Retailer 2
-
$137 USD
View
A
Retailer 3
-
$156 USD
View
A
Retailer 4
-
$156 USD
View
B+
Retailer 5
-
$208 USD
View
B+
Retailer 6
-
$250 USD
View
B+
Retailer 7
-
$264 USD
€251 EUR
View
B
Retailer 8
-
$299 USD
£236 GBP
View
B
Retailer 9
-
$376 USD
£296 GBP
View
B
Retailer 10
-
$411 USD
SGD 556 SGD
View
B
Retailer 11
-
$442 USD
View
B
Retailer 12
-
$471 USD
View
B
Retailer 13
-
$528 USD
View
Most Expensive
B
MOH London
LG680538456 · Oct 25
$1,226 USD
£965 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $118 USDSave up to $410 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
0.30ct Princess
$118 USD