Cushion|Lab Grown|IGI

1.02ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG840630464

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630464

Diamond specifications and retailer prices

From $289 USD
As of October 25, 2026
Save $1,361 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,650 USD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG840630464 or 840630464. Listed at 16 retailers as of October 25, 2026, with prices from $289 to $1,650, a $1,361 spread on the same certified stone. Helzberg Diamonds lists it at $1,650. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630464
Dimensions7.59 × 5.15 × 3.41 mm
L/W Ratio1.47
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
7.59 mm5.15 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630464
Side View
Table 59.0%Crown 33.2°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 66.2%

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: Oct 25
Current: $1,650 USD|Low: $289 USD|High: $1,980 USD|Avg: $869 USD
Helzberg Diamonds
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
October 31, 2026
Retailer 14$289 USD
Retailer 3$299 USD
Retailer 7$488 USD
Retailer 12$496 USD
Retailer 6$521 USD
Retailer 2$545 USD
Retailer 11$563 USD
Retailer 4$570 USD
Retailer 13$704 USD
Retailer 9$757 USD
Retailer 8$911 USD
Retailer 5$980 USD
Retailer 16$1,163 USD
Retailer 15$1,360 USD
Retailer 10$1,400 USD
Helzberg Diamonds$1,650 USD

19 data points across 16 retailers

16 retailers$289 USD to $1,650 USD

A
Cheapest Retailer
-
$289 USD
Retailer 2
-
$299 USD
£235 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$488 USD
View
A
Retailer 4
-
$496 USD
ZAR 8,012 ZAR
View
A
Retailer 5
-
$521 USD
View
A
Retailer 6
-
$545 USD
£429 GBP
View
A
Retailer 7
-
$563 USD
€536 EUR
View
A
Retailer 8
-
$570 USD
View
A
Retailer 9
-
$704 USD
A$1,083 AUD
View
A
Retailer 10
-
$757 USD
View
B+
Retailer 11
-
$911 USD
SGD 1,231 SGD
View
B+
Retailer 12
-
$980 USD
View
Retailer 13
-
$1,163 USD
£916 GBP
View
Price last confirmed 10 days ago
Retailer 14
-
$1,360 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$1,400 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGKMK · Oct 31
$1,650 USD
View
15 more retailers have this diamond
Prices start from $289 USDSave up to $1,361 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
1.02ct Cushion
$289 USD