CaratHunter
Plans
Round|Lab Grown|IGI

0.31ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG775632456

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775632456

Diamond specifications and retailer prices

From $94 AUD
$66 USD
As of October 29, 2026
Save $772 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $866 AUD at MOH London · As of October 29, 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 LG775632456 or 775632456. Listed at 14 retailers as of October 29, 2026, with prices from $94 to $866, a $772 spread on the same certified stone. MOH London lists it at $866. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775632456
Dimensions4.33 × 4.35 × 2.72 mm
L/W Ratio1.00
Girdle conditionFaceted
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
4.33 mm4.35 mm0.31 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775632456
Side View
Table 56.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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 29
Current: $866 AUD|Low: $91 AUD|High: $879 AUD|Avg: $294 AUD|+1.7%
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
Retailer 14
October 30, 2026
Retailer 13$94 AUD
Retailer 11$110 AUD
Retailer 5$125 AUD
Retailer 6$125 AUD
Retailer 3$164 AUD
Retailer 14$185 AUD
Retailer 7$203 AUD
Retailer 8$244 AUD
Retailer 9$282 AUD
Retailer 2$285 AUD
Retailer 4$352 AUD
Retailer 10$377 AUD
Retailer 12$441 AUD
MOH London$866 AUD

42 data points across 14 retailers

14 retailers$94 AUD to $866 AUD

A
Cheapest Retailer
-
$94 AUD
$66 USD
A
Retailer 2
-
$110 AUD
$77 USD
View
A
Retailer 3
-
$125 AUD
$88 USD
View
A
Retailer 4
-
$125 AUD
$88 USD
View
A
Retailer 5
-
$164 AUD
$115 USD
View
Retailer 6
-
$185 AUD
$130 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$203 AUD
£112 GBP
View
A
Retailer 8
-
$244 AUD
€163 EUR
View
B+
Retailer 9
-
$282 AUD
£156 GBP
View
A
Retailer 10
-
$285 AUD
$200 USD
View
B+
Retailer 11
-
$352 AUD
SGD 334 SGD
View
B+
Retailer 12
-
$377 AUD
$265 USD
View
B+
Retailer 13
-
$441 AUD
$310 USD
View
Most Expensive
B
MOH London
LG775632456 · Oct 29
$866 AUD
£479 GBP
View
13 more retailers have this diamond
Prices start from $94 AUDSave up to $772 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
0.31ct Round
$94 AUD