Cushion|Lab Grown|IGI

1.23ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG837628359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837628359

Diamond specifications and retailer prices

From $1,114 NZD
As of November 4, 2026
Save $3,108 NZD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,222 NZD at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628359 or 837628359. Listed at 9 retailers as of November 4, 2026, with prices from $1,114 to $4,222, a $3,108 spread on the same certified stone. Yadav Diamonds lists it at $4,222. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628359
Dimensions7.43 × 5.76 × 3.83 mm
L/W Ratio1.29
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
7.43 mm5.76 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628359
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

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 4
Current: $2,480 NZD|Low: $697 NZD|High: $4,222 NZD|Avg: $1,918 NZD
Retailer 1
Retailer 2
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Retailer 18
Yadav Diamonds
October 8, 2026
Retailer 9$697 NZD
Retailer 16$731 NZD
Retailer 5$976 NZD
Retailer 6$1,054 NZD
Retailer 17$1,082 NZD
Retailer 13$1,114 NZD
Retailer 18$1,199 NZD
Retailer 7$1,238 NZD
Retailer 2$1,446 NZD
Retailer 12$1,506 NZD
Retailer 8$2,338 NZD
Retailer 10$2,477 NZD
Retailer 1$2,480 NZD
Retailer 4$2,794 NZD
Retailer 3$2,849 NZD
Retailer 11$2,929 NZD
Retailer 15$3,057 NZD
Retailer 14$3,956 NZD
Yadav Diamonds$4,222 NZD

11 data points across 19 retailers

9 retailers$1,114 NZD to $4,222 NZD

A
Cheapest Retailer
-
$1,114 NZD
Retailer 2
-
$1,199 NZD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$1,506 NZD
View
B+
Retailer 4
-
$2,480 NZD
View
Retailer 5
-
$2,849 NZD
View
Price last confirmed 35 days ago
B
Retailer 6
-
$2,929 NZD
View
Retailer 7
-
$3,057 NZD
View
Price last confirmed 33 days ago
Retailer 8
-
$3,956 NZD
View
Price last confirmed 32 days ago
Most Expensive
B
Yadav Diamonds
13312131 · Nov 4
$4,222 NZD
$2,380 USD
View
8 more retailers have this diamond
Prices start from $1,114 NZDSave up to $3,108 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
1.23ct Cushion
$1,114 NZD