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Round|Lab Grown|IGI

1.20ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG786633849

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786633849

Diamond specifications and retailer prices

From $246 AUD
$173 USD
As of October 29, 2026
Save $1,330 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,576 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG786633849 or 786633849. Listed at 19 retailers as of October 29, 2026, with prices from $246 to $1,576, a $1,330 spread on the same certified stone. Reve Diamonds lists it at $1,576. 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 angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786633849
Dimensions6.74 × 6.80 × 4.20 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
6.74 mm6.80 mm1.20 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786633849
Side View
Table 57.0%Crown 34.8°Girdle: Slightly ThickPavilion 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 29
Current: $545 AUD|Low: $195 AUD|High: $1,444 AUD|Avg: $625 AUD|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9$275 AUD
Retailer 2$286 AUD
Retailer 4$346 AUD
Retailer 10$413 AUD
Retailer 3$532 AUD
Retailer 1$545 AUD
Retailer 5$569 AUD
Retailer 12$659 AUD
Retailer 7$669 AUD
Retailer 8$764 AUD
Retailer 11$1,082 AUD
Retailer 6$1,430 AUD

42 data points across 12 retailers

19 retailers$246 AUD to $1,576 AUD

A
Cheapest Retailer
-
$246 AUD
$173 USD
A
Retailer 2
-
$275 AUD
$193 USD
View
Final sale: no returns
A
Retailer 3
-
$286 AUD
$201 USD
View
A
Retailer 4
-
$305 AUD
$214 USD
View
A
Retailer 5
-
$305 AUD
$214 USD
View
A
Retailer 6
-
$346 AUD
HK$1,900 HKD
View
B+
Retailer 7
-
$413 AUD
$290 USD
View
B+
Retailer 8
-
$532 AUD
$374 USD
View
B+
Retailer 9
-
$545 AUD
£301 GBP
View
B+
Retailer 10
-
$569 AUD
€381 EUR
View
B+
Retailer 11
-
$659 AUD
$463 USD
View
Retailer 12
-
$669 AUD
$470 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$764 AUD
$537 USD
View
B
Retailer 14
-
$981 AUD
$689 USD
View
B
Retailer 15
-
$1,002 AUD
SGD 951 SGD
View
B
Retailer 16
-
$1,059 AUD
$744 USD
View
B
Retailer 17
-
$1,082 AUD
$760 USD
View
B
Retailer 18
-
$1,430 AUD
£791 GBP
View
Most Expensive
B
Reve Diamonds
AF34E0DA2 · Oct 30
$1,576 AUD
$1,107 USD
View
18 more retailers have this diamond
Prices start from $246 AUDSave up to $1,330 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
$246 AUD