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Round|Lab Grown|IGI

1.52ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG770643648

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643648

Diamond specifications and retailer prices

From $339 AUD
As of November 5, 2026
Save $1,661 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,000 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770643648 or 770643648. Listed at 23 retailers as of November 5, 2026, with prices from $339 to $2,000, a $1,661 spread on the same certified stone. Brilliant Earth lists it at $2,000. 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

1.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643648
Dimensions7.35 × 7.30 × 4.54 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
7.35 mm7.30 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643648
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.9%

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 5
Current: $2,000 AUD|Low: $336 AUD|High: $2,000 AUD|Avg: $963 AUD
Brilliant Earth
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 9$339 AUD
Retailer 16$379 AUD
Retailer 5$419 AUD
Retailer 18$419 AUD
Retailer 2$649 AUD
Retailer 3$653 AUD
Retailer 6$707 AUD
Retailer 12$777 AUD
Retailer 4$779 AUD
Retailer 11$786 AUD
Retailer 17$833 AUD
Retailer 14$1,086 AUD
Retailer 10$1,347 AUD
Retailer 15$1,351 AUD
Retailer 8$1,421 AUD
Retailer 13$1,674 AUD
Retailer 7$1,871 AUD
Brilliant Earth$2,000 AUD

34 data points across 18 retailers

23 retailers$339 AUD to $2,000 AUD

Retailer 1
-
$339 AUD
Price last confirmed 19 days ago
A
Retailer 2
-
$339 AUD
View
A
Retailer 3
-
$379 AUD
View
Final sale: no returns
Retailer 4
-
$389 AUD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$391 AUD
View
Retailer 6
-
$419 AUD
View
Price last confirmed 12 days ago
Retailer 7
-
$419 AUD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$649 AUD
View
A
Retailer 9
-
$653 AUD
View
B+
Retailer 10
-
$707 AUD
View
B+
Retailer 11
-
$777 AUD
View
B+
Retailer 12
-
$779 AUD
View
B+
Retailer 13
-
$786 AUD
View
B+
Retailer 14
-
$833 AUD
View
B
Retailer 15
-
$1,086 AUD
View
B+
Retailer 16
-
$1,119 AUD
View
Retailer 17
-
$1,336 AUD
View
Price last confirmed 46 days ago
Retailer 18
-
$1,347 AUD
View
Price last confirmed 19 days ago
B
Retailer 19
-
$1,351 AUD
View
B
Retailer 20
-
$1,421 AUD
View
B
Retailer 21
-
$1,674 AUD
View
B
Retailer 22
-
$1,871 AUD
View
Most Expensive
B
Brilliant Earth
18900585A · Nov 5
$2,000 AUD
$1,400 USD
View
22 more retailers have this diamond
Prices start from $339 AUDSave up to $1,661 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
1.52ct Round
$339 AUD