CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG780697404

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780697404

Diamond specifications and retailer prices

From $197 AUD
As of November 3, 2026
Save $1,224 AUD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,421 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 LG780697404 or 780697404. Listed at 20 retailers as of November 3, 2026, with prices from $197 to $1,421, a $1,224 spread on the same certified stone. Reve Diamonds lists it at $1,421. 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 angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780697404
Dimensions6.53 × 6.50 × 4.03 mm
L/W Ratio1.00
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
6.53 mm6.50 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780697404
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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 3
Current: $410 AUD|Low: $191 AUD|High: $1,421 AUD|Avg: $576 AUD|+2.1%
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 5, 2026
Retailer 3$197 AUD
Retailer 6$220 AUD
Retailer 17$229 AUD
Retailer 7$244 AUD
Retailer 18$244 AUD
Retailer 1$410 AUD
Retailer 2$416 AUD
Retailer 13$430 AUD
Retailer 8$456 AUD
Retailer 11$480 AUD
Retailer 12$550 AUD
Retailer 15$574 AUD
Retailer 9$670 AUD
Retailer 5$704 AUD
Retailer 4$784 AUD
Retailer 16$829 AUD
Retailer 10$863 AUD
Retailer 14$1,139 AUD
Reve Diamonds$1,421 AUD

36 data points across 19 retailers

20 retailers$197 AUD to $1,421 AUD

A
Cheapest Retailer
-
$197 AUD
A
Retailer 2
-
$220 AUD
View
Final sale: no returns
A
Retailer 3
-
$229 AUD
View
Retailer 4
-
$244 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$244 AUD
View
A
Retailer 6
-
$410 AUD
View
A
Retailer 7
-
$416 AUD
View
A
Retailer 8
-
$430 AUD
View
A
Retailer 9
-
$456 AUD
View
A
Retailer 10
-
$480 AUD
View
B+
Retailer 11
-
$550 AUD
View
B+
Retailer 12
-
$574 AUD
View
Retailer 13
-
$609 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$670 AUD
View
B+
Retailer 15
-
$704 AUD
View
B
Retailer 16
-
$784 AUD
View
B
Retailer 17
-
$829 AUD
View
B
Retailer 18
-
$863 AUD
View
B
Retailer 19
-
$1,139 AUD
View
Most Expensive
B
Reve Diamonds
4F5867411 · Nov 4
$1,421 AUD
$995 USD
View
19 more retailers have this diamond
Prices start from $197 AUDSave up to $1,224 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
$197 AUD