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Round|Lab Grown|IGI

1.31ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG761528295

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761528295

Diamond specifications and retailer prices

From $288 AUD
As of November 5, 2026
Save $1,439 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,727 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761528295 or 761528295. Listed at 23 retailers as of November 5, 2026, with prices from $288 to $1,727, a $1,439 spread on the same certified stone. Reve Diamonds lists it at $1,727. 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

1.31
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761528295
Dimensions6.98 × 6.95 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.95 mm1.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761528295
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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: Nov 5
Current: $627 AUD|Low: $274 AUD|High: $1,727 AUD|Avg: $751 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 9$288 AUD
Retailer 4$322 AUD
Retailer 18$333 AUD
Retailer 5$357 AUD
Retailer 6$357 AUD
Retailer 7$620 AUD
Retailer 11$621 AUD
Retailer 1$627 AUD
Retailer 2$632 AUD
Retailer 12$645 AUD
Retailer 3$719 AUD
Retailer 17$783 AUD
Retailer 15$786 AUD
Retailer 13$961 AUD
Retailer 16$974 AUD
Retailer 10$1,147 AUD
Retailer 8$1,225 AUD
Retailer 14$1,665 AUD
Reve Diamonds$1,727 AUD

38 data points across 19 retailers

23 retailers$288 AUD to $1,727 AUD

Retailer 1
-
$285 AUD
Price last confirmed 47 days ago
A
Retailer 2
-
$288 AUD
View
A
Retailer 3
-
$322 AUD
View
Final sale: no returns
A
Retailer 4
-
$333 AUD
View
Retailer 5
-
$349 AUD
View
Price last confirmed 47 days ago
A
Retailer 6
-
$357 AUD
View
Retailer 7
-
$357 AUD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$620 AUD
View
A
Retailer 9
-
$621 AUD
View
A
Retailer 10
-
$627 AUD
View
A
Retailer 11
-
$632 AUD
View
A
Retailer 12
-
$645 AUD
View
B+
Retailer 13
-
$719 AUD
View
B+
Retailer 14
-
$783 AUD
View
B+
Retailer 15
-
$786 AUD
View
B+
Retailer 16
-
$961 AUD
View
B+
Retailer 17
-
$961 AUD
View
B+
Retailer 18
-
$974 AUD
View
Retailer 19
-
$1,138 AUD
View
Price last confirmed 47 days ago
B+
Retailer 20
-
$1,147 AUD
View
B
Retailer 21
-
$1,225 AUD
View
B
Retailer 22
-
$1,665 AUD
View
Most Expensive
B
Reve Diamonds
EAB8DE9AA · Nov 6
$1,727 AUD
$1,187 USD
View
22 more retailers have this diamond
Prices start from $288 AUDSave up to $1,439 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
1.31ct Round
$288 AUD