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Round|Lab Grown|IGI

1.38ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG502182360

Shape and cutting style on the report: Round brilliant

Certificate IGI LG502182360

Diamond specifications and retailer prices

From $256 AUD
$180 USD
As of November 1, 2026
Save $1,228 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,484 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.38ct lab-grown round diamond

This 1.38ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG502182360 or 502182360. Listed at 15 retailers as of November 1, 2026, with prices from $256 to $1,484, a $1,228 spread on the same certified stone. MOH London lists it at $1,484. 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

1.38
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502182360
Dimensions7.13 × 7.18 × 4.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.13 mm7.18 mm1.38 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502182360
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

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: Nov 1
Current: $1,484 AUD|Low: $246 AUD|High: $1,502 AUD|Avg: $587 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$256 AUD
Retailer 3$285 AUD
Retailer 9$317 AUD
Retailer 10$317 AUD
Retailer 8$420 AUD
Retailer 5$537 AUD
Retailer 4$570 AUD
Retailer 2$627 AUD
Retailer 11$679 AUD
Retailer 6$1,078 AUD
MOH London$1,484 AUD

44 data points across 11 retailers

15 retailers$256 AUD to $1,484 AUD

A
Cheapest Retailer
-
$256 AUD
$180 USD
A
Retailer 2
-
$285 AUD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$298 AUD
$209 USD
View
Retailer 4
-
$317 AUD
$223 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$317 AUD
$223 USD
View
A
Retailer 6
-
$364 AUD
HK$2,000 HKD
View
B+
Retailer 7
-
$420 AUD
$295 USD
View
A
Retailer 8
-
$537 AUD
€359 EUR
View
A
Retailer 9
-
$570 AUD
£315 GBP
View
A
Retailer 10
-
$627 AUD
£347 GBP
View
B+
Retailer 11
-
$679 AUD
$477 USD
View
B+
Retailer 12
-
$699 AUD
$491 USD
View
B+
Retailer 13
-
$1,021 AUD
$717 USD
View
B
Retailer 14
-
$1,078 AUD
$757 USD
View
Most Expensive
B
MOH London
LG502182360 · Nov 1
$1,484 AUD
£821 GBP
View
14 more retailers have this diamond
Prices start from $256 AUDSave up to $1,228 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
1.38ct Round
$256 AUD