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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 $245 NZD
As of November 3, 2026
Save $1,524 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,769 NZD 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 $245 to $1,769, a $1,524 spread on the same certified stone. Reve Diamonds lists it at $1,769. 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: $511 NZD|Low: $238 NZD|High: $1,769 NZD|Avg: $717 NZD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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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$245 NZD
Retailer 6$274 NZD
Retailer 17$285 NZD
Retailer 7$304 NZD
Retailer 18$304 NZD
Retailer 1$511 NZD
Retailer 2$518 NZD
Retailer 13$535 NZD
Retailer 8$567 NZD
Retailer 11$598 NZD
Retailer 12$685 NZD
Retailer 15$715 NZD
Retailer 9$834 NZD
Retailer 5$877 NZD
Retailer 4$977 NZD
Retailer 16$1,032 NZD
Retailer 10$1,074 NZD
Retailer 14$1,418 NZD
Reve Diamonds$1,769 NZD

36 data points across 19 retailers

20 retailers$245 NZD to $1,769 NZD

A
Cheapest Retailer
-
$245 NZD
A
Retailer 2
-
$274 NZD
View
Final sale: no returns
A
Retailer 3
-
$285 NZD
View
Retailer 4
-
$304 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$304 NZD
View
A
Retailer 6
-
$511 NZD
View
A
Retailer 7
-
$518 NZD
View
A
Retailer 8
-
$535 NZD
View
A
Retailer 9
-
$567 NZD
View
A
Retailer 10
-
$598 NZD
View
B+
Retailer 11
-
$685 NZD
View
B+
Retailer 12
-
$715 NZD
View
Retailer 13
-
$758 NZD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$834 NZD
View
B+
Retailer 15
-
$877 NZD
View
B
Retailer 16
-
$977 NZD
View
B
Retailer 17
-
$1,032 NZD
View
B
Retailer 18
-
$1,074 NZD
View
B
Retailer 19
-
$1,418 NZD
View
Most Expensive
B
Reve Diamonds
4F5867411 · Nov 4
$1,769 NZD
$995 USD
View
19 more retailers have this diamond
Prices start from $245 NZDSave up to $1,524 NZD

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
$245 NZD