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Cushion|Lab Grown|IGI

1.25ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG786634356

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634356

Diamond specifications and retailer prices

From $561 NZD
As of November 4, 2026
Save $2,231 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,780 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786634356 or 786634356. Listed at 18 retailers as of November 4, 2026, with a 398% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634356
Dimensions7.07 × 6.20 × 3.76 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeLarge
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
7.07 mm6.20 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634356
Side View
Table 60.0%Crown 32.7°Girdle: MED-THKPavilion 43.2°Culet: LargeDepth 60.6%

Caratlytics Score

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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 4
Current: $1,710 NZD|Low: $539 NZD|High: $2,821 NZD|Avg: $1,415 NZD|+1.3%
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
November 4, 2026
Retailer 12$561 NZD
Retailer 8$626 NZD
Retailer 5$651 NZD
Retailer 3$696 NZD
Retailer 14$696 NZD
Retailer 13$938 NZD
Retailer 10$974 NZD
Retailer 7$1,227 NZD
Retailer 1$1,710 NZD
Retailer 11$2,138 NZD
Retailer 4$2,233 NZD
Retailer 2$2,237 NZD
Retailer 6$2,693 NZD
Retailer 9$2,803 NZD

43 data points across 14 retailers

18 retailers$561 NZD to $2,792 NZD

A
Cheapest Retailer
-
$561 NZD
A
Retailer 2
-
$626 NZD
View
Final sale: no returns
A
Retailer 3
-
$651 NZD
View
Retailer 4
-
$696 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$696 NZD
View
A
Retailer 6
-
$938 NZD
View
B+
Retailer 7
-
$956 NZD
View
B+
Retailer 8
-
$974 NZD
View
B+
Retailer 9
-
$1,227 NZD
View
B+
Retailer 10
-
$1,710 NZD
View
B
Retailer 11
-
$2,138 NZD
View
B
Retailer 12
-
$2,233 NZD
View
B
Retailer 13
-
$2,237 NZD
View
B
Retailer 14
-
$2,320 NZD
View
B
Retailer 15
-
$2,693 NZD
View
B
Retailer 16
-
$2,792 NZD
View
Retailer 17
-
$2,803 NZD
View
Price last confirmed 8 days ago
Most Expensive
Queensmith
LG786634356 · Oct 27
$3,780 NZD
£1,650 GBP
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $561 NZDSave up to $2,231 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
1.25ct Cushion
$561 NZD