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Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG818632203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818632203

Diamond specifications and retailer prices

From $263 NZD
As of November 5, 2026
Save $1,563 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,826 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct 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 LG818632203 or 818632203. Listed at 17 retailers as of November 5, 2026, with prices from $263 to $1,826, a $1,563 spread on the same certified stone. Reve Diamonds lists it at $1,826. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818632203
Dimensions6.42 × 6.39 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.42 mm6.39 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818632203
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: $639 NZD|Low: $247 NZD|High: $1,826 NZD|Avg: $674 NZD|+1.1%
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
Reve Diamonds
November 6, 2026
Retailer 12$263 NZD
Retailer 3$304 NZD
Retailer 10$320 NZD
Retailer 14$326 NZD
Retailer 2$495 NZD
Retailer 8$557 NZD
Retailer 13$562 NZD
Retailer 4$599 NZD
Retailer 1$639 NZD
Retailer 7$720 NZD
Retailer 6$854 NZD
Retailer 11$859 NZD
Retailer 15$1,048 NZD
Retailer 5$1,146 NZD
Retailer 9$1,517 NZD
Reve Diamonds$1,826 NZD

41 data points across 16 retailers

17 retailers$263 NZD to $1,826 NZD

A
Cheapest Retailer
-
$263 NZD
A
Retailer 2
-
$304 NZD
View
Retailer 3
-
$318 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$320 NZD
View
Final sale: no returns
A
Retailer 5
-
$326 NZD
View
A
Retailer 6
-
$495 NZD
View
A
Retailer 7
-
$557 NZD
View
A
Retailer 8
-
$562 NZD
View
B+
Retailer 9
-
$599 NZD
View
B+
Retailer 10
-
$639 NZD
View
Retailer 11
-
$720 NZD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$854 NZD
View
B+
Retailer 13
-
$859 NZD
View
B
Retailer 14
-
$1,048 NZD
View
B
Retailer 15
-
$1,146 NZD
View
B
Retailer 16
-
$1,517 NZD
View
Most Expensive
B
Reve Diamonds
264BE92C8 · Nov 6
$1,826 NZD
$1,027 USD
View
16 more retailers have this diamond
Prices start from $263 NZDSave up to $1,563 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
1.01ct Round
$263 NZD