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Round|Lab Grown|IGI

1.24ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG681502971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681502971

Diamond specifications and retailer prices

From $520 AUD
As of November 5, 2026
Save $866 AUD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,386 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.24ct lab-grown round diamond

This 1.24ct 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 LG681502971 or 681502971. Listed at 15 retailers as of November 1, 2026, with prices from $520 to $1,386, a $866 spread on the same certified stone. MOH London lists it at $1,386. 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

1.24
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681502971
Dimensions6.81 × 6.79 × 4.32 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
6.81 mm6.79 mm1.24 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681502971
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,386 AUD|Low: $296 AUD|High: $1,402 AUD|Avg: $686 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$296 AUD
Retailer 3$520 AUD
Retailer 6$529 AUD
Retailer 9$533 AUD
Retailer 2$581 AUD
Retailer 10$654 AUD
Retailer 5$693 AUD
Retailer 7$843 AUD
Retailer 4$1,006 AUD
MOH London$1,386 AUD

42 data points across 10 retailers

15 retailers$520 AUD to $1,386 AUD

Retailer 1
-
$239 AUD
Price last confirmed 41 days ago
Retailer 2
-
$277 AUD
View
Price last confirmed 45 days ago
Retailer 3
-
$293 AUD
View
Price last confirmed 42 days ago
Retailer 4
-
$296 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$520 AUD
View
A
Retailer 6
-
$533 AUD
View
B+
Retailer 7
-
$561 AUD
View
A
Retailer 8
-
$581 AUD
View
B+
Retailer 9
-
$654 AUD
View
Retailer 10
-
$686 AUD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$693 AUD
View
Retailer 12
-
$843 AUD
View
Price last confirmed 19 days ago
Retailer 13
-
$953 AUD
View
Price last confirmed 41 days ago
B
Retailer 14
-
$1,006 AUD
View
Most Expensive
B
MOH London
LG681502971 · Nov 1
$1,386 AUD
£764 GBP
View
14 more retailers have this diamond
Prices start from $520 AUDSave up to $866 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
1.24ct Round
$520 AUD