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Cushion|Lab Grown|IGI

1.55ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG665408865

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665408865

Diamond specifications and retailer prices

From $316 USD
As of October 31, 2026
Save $1,143 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,459 USD at Reve Diamonds · As of October 30, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG665408865 or 665408865. Listed at 18 retailers as of October 30, 2026, with prices from $316 to $1,459, a $1,143 spread on the same certified stone. Reve Diamonds lists it at $1,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408865
Dimensions7.16 × 6.90 × 4.50 mm
L/W Ratio1.04
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
7.16 mm6.90 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408865
Side View
Table 64.0%Crown 37.9°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $620 USD|Low: $314 USD|High: $1,459 USD|Avg: $819 USD|+4.2%
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
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 11$316 USD
Retailer 3$351 USD
Retailer 9$550 USD
Retailer 5$579 USD
Retailer 14$603 USD
Retailer 2$614 USD
Retailer 1$620 USD
Retailer 10$656 USD
Retailer 15$715 USD
Retailer 13$816 USD
Retailer 4$946 USD
Retailer 6$1,179 USD
Retailer 7$1,288 USD
Retailer 16$1,372 USD
Retailer 8$1,373 USD
Retailer 12$1,415 USD
Reve Diamonds$1,459 USD

39 data points across 17 retailers

18 retailers$316 USD to $1,459 USD

A
Cheapest Retailer
-
$316 USD
Final sale: no returns
A
Retailer 2
-
$351 USD
View
A
Retailer 3
-
$550 USD
View
A
Retailer 4
-
$579 USD
View
A
Retailer 5
-
$603 USD
ZAR 9,749 ZAR
View
A
Retailer 6
-
$614 USD
View
A
Retailer 7
-
$620 USD
£488 GBP
View
A
Retailer 8
-
$656 USD
€625 EUR
View
A
Retailer 9
-
$715 USD
View
B+
Retailer 10
-
$816 USD
A$1,256 AUD
View
B+
Retailer 11
-
$946 USD
View
B+
Retailer 12
-
$1,153 USD
View
B+
Retailer 13
-
$1,179 USD
View
B
Retailer 14
-
$1,288 USD
View
B
Retailer 15
-
$1,372 USD
£1,080 GBP
View
Retailer 16
-
$1,373 USD
A$2,112 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
$1,415 USD
£1,114 GBP
View
Most Expensive
B
Reve Diamonds
2854CADB2 · Oct 30
$1,459 USD
View
17 more retailers have this diamond
Prices start from $316 USDSave up to $1,143 USD

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
$316 USD