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Cushion|Lab Grown|IGI

1.30ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG788624448

Shape and cutting style on the report: Cushion antique brilliant

Certificate IGI LG788624448

Diamond specifications and retailer prices

From €320 EUR
$358 USD
As of October 30, 2026
Save €1,680 EUR (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,001 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.3ct lab-grown cushion diamond

This 1.3ct 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 LG788624448 or 788624448. Listed at 15 retailers as of October 27, 2026, with prices from €320 to €2,001, a €1,680 spread on the same certified stone. Queensmith lists it at €2,001. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624448
Dimensions6.82 × 6.30 × 3.88 mm
L/W Ratio1.08
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
6.82 mm6.30 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624448
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 61.6%

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 30
Current: €492 EUR|Low: €320 EUR|High: €1,441 EUR|Avg: €732 EUR|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6€320 EUR
Retailer 11€355 EUR
Retailer 10€479 EUR
Retailer 1€492 EUR
Retailer 4€508 EUR
Retailer 2€578 EUR
Retailer 8€610 EUR
Retailer 5€634 EUR
Retailer 7€867 EUR
Retailer 12€1,140 EUR
Retailer 3€1,378 EUR
Retailer 9€1,431 EUR

40 data points across 12 retailers

15 retailers€320 EUR to €2,001 EUR

A
Cheapest Retailer
-
€320 EUR
$358 USD
Final sale: no returns
A
Retailer 2
-
€355 EUR
$397 USD
View
A
Retailer 3
-
€479 EUR
$535 USD
View
A
Retailer 4
-
€492 EUR
$550 USD
View
B+
Retailer 5
-
€508 EUR
$567 USD
View
B+
Retailer 6
-
€578 EUR
$646 USD
View
B+
Retailer 7
-
€610 EUR
ZAR 11,018 ZAR
View
B+
Retailer 8
-
€634 EUR
£558 GBP
View
B
Retailer 9
-
€867 EUR
A$1,490 AUD
View
B
Retailer 10
-
€1,140 EUR
SGD 1,721 SGD
View
B
Retailer 11
-
€1,183 EUR
$1,321 USD
View
B
Retailer 12
-
€1,378 EUR
£1,212 GBP
View
B
Retailer 13
-
€1,411 EUR
$1,577 USD
View
B
Retailer 14
-
€1,431 EUR
£1,259 GBP
View
Most Expensive
B
Queensmith
LG788624448 · Oct 27
€2,001 EUR
£1,760 GBP
View
14 more retailers have this diamond
Prices start from €320 EURSave up to €1,680 EUR

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
1.30ct Cushion
€320 EUR