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0.31ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG752524963

Shape and cutting style on the report: Round brilliant

Certificate IGI LG752524963

Diamond specifications and retailer prices

From $158 NZD
$89 USD
As of October 25, 2026
Save $937 NZD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,095 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round 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 LG752524963 or 752524963. Listed at 14 retailers as of October 25, 2026, with prices from $158 to $1,095, a $937 spread on the same certified stone. MOH London lists it at $1,095. 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

0.31
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752524963
Dimensions4.37 × 4.35 × 2.70 mm
L/W Ratio1.00
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
4.37 mm4.35 mm0.31 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752524963
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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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 25
Current: $1,095 NZD|Low: $115 NZD|High: $1,106 NZD|Avg: $392 NZD|+1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 26, 2026
Retailer 8$121 NZD
Retailer 9$138 NZD
Retailer 5$158 NZD
Retailer 11$158 NZD
Retailer 2$242 NZD
Retailer 7$313 NZD
Retailer 10$346 NZD
Retailer 6$404 NZD
Retailer 13$439 NZD
Retailer 12$479 NZD
Retailer 4$587 NZD
Retailer 3$687 NZD
MOH London$1,095 NZD

39 data points across 13 retailers

14 retailers$158 NZD to $1,095 NZD

Retailer 1
-
$121 NZD
$68 USD
Price last confirmed 9 days ago
Retailer 2
-
$138 NZD
$78 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$158 NZD
$89 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$158 NZD
$89 USD
View
A
Retailer 5
-
$242 NZD
£108 GBP
View
A
Retailer 6
-
$313 NZD
€168 EUR
View
A
Retailer 7
-
$337 NZD
$190 USD
View
B+
Retailer 8
-
$346 NZD
$195 USD
View
B+
Retailer 9
-
$404 NZD
£179 GBP
View
B+
Retailer 10
-
$439 NZD
SGD 334 SGD
View
Retailer 11
-
$479 NZD
$270 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$587 NZD
$331 USD
View
Retailer 13
-
$687 NZD
$387 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG752524963 · Oct 25
$1,095 NZD
£486 GBP
View
13 more retailers have this diamond
Prices start from $158 NZDSave up to $937 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
0.31ct Round
$158 NZD