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1.22ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG534248672

Shape and cutting style on the report: Round brilliant

Certificate IGI LG534248672

Diamond specifications and retailer prices

From $283 NZD
As of November 5, 2026
Save $2,439 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,722 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.22ct lab-grown round diamond

This 1.22ct 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 LG534248672 or 534248672. Listed at 16 retailers as of November 5, 2026, with prices from $283 to $2,722, a $2,439 spread on the same certified stone. Do Amore Diamonds lists it at $2,722. 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

1.22
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534248672
Dimensions6.81 × 6.75 × 4.25 mm
L/W Ratio1.01
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
6.81 mm6.75 mm1.22 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534248672
Side View
Table 57.5%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

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: $2,722 NZD|Low: $272 NZD|High: $2,722 NZD|Avg: $891 NZD
Do Amore Diamonds
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
November 6, 2026
Retailer 15$283 NZD
Retailer 5$317 NZD
Retailer 14$327 NZD
Retailer 12$350 NZD
Retailer 16$350 NZD
Retailer 4$477 NZD
Retailer 7$527 NZD
Retailer 9$685 NZD
Retailer 2$760 NZD
Retailer 10$836 NZD
Retailer 6$930 NZD
Retailer 3$1,190 NZD
Retailer 13$1,243 NZD
Retailer 8$1,551 NZD
Retailer 11$1,809 NZD
Do Amore Diamonds$2,722 NZD

36 data points across 16 retailers

16 retailers$283 NZD to $2,722 NZD

A
Cheapest Retailer
-
$283 NZD
A
Retailer 2
-
$317 NZD
View
Final sale: no returns
A
Retailer 3
-
$327 NZD
View
A
Retailer 4
-
$350 NZD
View
Retailer 5
-
$350 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$477 NZD
View
A
Retailer 7
-
$527 NZD
View
A
Retailer 8
-
$685 NZD
View
B+
Retailer 9
-
$760 NZD
View
B+
Retailer 10
-
$836 NZD
View
B+
Retailer 11
-
$930 NZD
View
B
Retailer 12
-
$1,190 NZD
View
B
Retailer 13
-
$1,243 NZD
View
B
Retailer 14
-
$1,551 NZD
View
B
Retailer 15
-
$1,809 NZD
View
Most Expensive
B
Do Amore Diamonds
27-00C8E581F · Nov 6
$2,722 NZD
$1,530 USD
View
15 more retailers have this diamond
Prices start from $283 NZDSave up to $2,439 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
1.22ct Round
$283 NZD