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Round|Lab Grown|IGI

1.20ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG760544137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760544137

Diamond specifications and retailer prices

From $235 AUD
$165 USD
As of October 29, 2026
Save $1,132 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,367 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG760544137 or 760544137. Listed at 16 retailers as of October 29, 2026, with prices from $235 to $1,367, a $1,132 spread on the same certified stone. MOH London lists it at $1,367. 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

1.20
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760544137
Dimensions6.72 × 6.67 × 4.21 mm
L/W Ratio1.01
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
6.72 mm6.67 mm1.20 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760544137
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 29
Current: $1,367 AUD|Low: $223 AUD|High: $1,399 AUD|Avg: $555 AUD|-2.3%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 13$235 AUD
Retailer 14$263 AUD
Retailer 4$272 AUD
Retailer 7$290 AUD
Retailer 15$290 AUD
Retailer 10$502 AUD
Retailer 9$514 AUD
Retailer 5$524 AUD
Retailer 6$528 AUD
Retailer 2$576 AUD
Retailer 16$646 AUD
Retailer 11$669 AUD
Retailer 12$746 AUD
Retailer 8$811 AUD
Retailer 3$935 AUD
MOH London$1,367 AUD

34 data points across 16 retailers

16 retailers$235 AUD to $1,367 AUD

A
Cheapest Retailer
-
$235 AUD
$165 USD
A
Retailer 2
-
$263 AUD
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$272 AUD
$191 USD
View
A
Retailer 4
-
$290 AUD
$204 USD
View
A
Retailer 5
-
$290 AUD
$204 USD
View
A
Retailer 6
-
$502 AUD
€336 EUR
View
A
Retailer 7
-
$514 AUD
£284 GBP
View
A
Retailer 8
-
$524 AUD
$368 USD
View
A
Retailer 9
-
$528 AUD
$371 USD
View
A
Retailer 10
-
$576 AUD
£319 GBP
View
B+
Retailer 11
-
$646 AUD
$454 USD
View
Retailer 12
-
$669 AUD
$470 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$746 AUD
$524 USD
View
B+
Retailer 14
-
$811 AUD
$570 USD
View
B
Retailer 15
-
$935 AUD
$657 USD
View
Most Expensive
B
MOH London
LG760544137 · Oct 29
$1,367 AUD
£756 GBP
View
15 more retailers have this diamond
Prices start from $235 AUDSave up to $1,132 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
1.20ct Round
$235 AUD