CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG670428283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670428283

Diamond specifications and retailer prices

From $210 AUD
As of November 5, 2026
Save $1,253 AUD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,463 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG670428283 or 670428283. Listed at 24 retailers as of November 4, 2026, with prices from $210 to $1,463, a $1,253 spread on the same certified stone. Reve Diamonds lists it at $1,463. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670428283
Dimensions6.58 × 6.56 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.56 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670428283
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.8%

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: $444 AUD|Low: $201 AUD|High: $1,231 AUD|Avg: $565 AUD|+3.7%
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
November 6, 2026
Retailer 11$210 AUD
Retailer 7$234 AUD
Retailer 13$243 AUD
Retailer 2$260 AUD
Retailer 5$354 AUD
Retailer 1$444 AUD
Retailer 10$491 AUD
Retailer 6$510 AUD
Retailer 9$564 AUD
Retailer 12$837 AUD
Retailer 4$884 AUD
Retailer 3$929 AUD
Retailer 8$1,213 AUD

40 data points across 13 retailers

24 retailers$210 AUD to $1,463 AUD

A
Cheapest Retailer
-
$210 AUD
A
Retailer 2
-
$234 AUD
View
Final sale: no returns
A
Retailer 3
-
$243 AUD
View
Retailer 4
-
$257 AUD
View
Price last confirmed 66 days ago
Retailer 5
-
$260 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$260 AUD
View
B+
Retailer 7
-
$354 AUD
View
A
Retailer 8
-
$421 AUD
View
A
Retailer 9
-
$444 AUD
View
B+
Retailer 10
-
$491 AUD
View
A
Retailer 11
-
$510 AUD
View
B+
Retailer 12
-
$564 AUD
View
B+
Retailer 13
-
$564 AUD
View
B+
Retailer 14
-
$564 AUD
View
B+
Retailer 15
-
$564 AUD
View
B+
Retailer 16
-
$586 AUD
View
B+
Retailer 17
-
$586 AUD
View
Retailer 18
-
$611 AUD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$837 AUD
View
B
Retailer 20
-
$884 AUD
View
B
Retailer 21
-
$916 AUD
View
B
Retailer 22
-
$929 AUD
View
B
Retailer 23
-
$1,213 AUD
View
Most Expensive
B
Reve Diamonds
61D252AC6 · Nov 4
$1,463 AUD
$1,024 USD
View
23 more retailers have this diamond
Prices start from $210 AUDSave up to $1,253 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
1.05ct Round
$210 AUD