Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG837680978

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837680978

Diamond specifications and retailer prices

From $550 NZD
£243 GBP
As of October 24, 2026
Save $1,364 NZD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,199 NZD at Reve Diamonds · As of October 23, 2026
View at Reve Diamonds

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837680978 or 837680978. Listed at 10 retailers as of October 24, 2026, with a 248% 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

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680978
Dimensions7.92 × 6.10 × 4.22 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm6.10 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680978
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 69.2%

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: Oct 24
Current: $1,278 NZD|Low: $417 NZD|High: $2,254 NZD|Avg: $1,131 NZD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 26, 2026
Retailer 9$424 NZD
Retailer 5$550 NZD
Retailer 3$662 NZD
Retailer 7$795 NZD
Retailer 4$840 NZD
Retailer 8$944 NZD
Retailer 6$1,099 NZD
Retailer 1$1,278 NZD
Retailer 10$1,606 NZD
Retailer 2$1,914 NZD
Reve Diamonds$2,199 NZD

14 data points across 11 retailers

10 retailers$550 NZD to $1,914 NZD

A
Cheapest Retailer
-
$550 NZD
£243 GBP
B+
Retailer 2
-
$662 NZD
$372 USD
View
Retailer 3
-
$795 NZD
ZAR 7,215 ZAR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$840 NZD
£371 GBP
View
A
Retailer 5
-
$944 NZD
$530 USD
View
A
Retailer 6
-
$1,099 NZD
A$950 AUD
View
B+
Retailer 7
-
$1,278 NZD
$718 USD
View
B+
Retailer 8
-
$1,606 NZD
$902 USD
View
B
Retailer 9
-
$1,914 NZD
$1,075 USD
View
Most Expensive
Reve Diamonds
427B8B826 · Oct 23
$2,199 NZD
$1,235 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $550 NZDSave up to $1,364 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
1.55ct Cushion
$550 NZD