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Cushion|Lab Grown|IGI

3.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG807639350

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG807639350

Diamond specifications and retailer prices

From $1,613 USD
HK$12,600 HKD
As of October 30, 2026
Save $5,437 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,636 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807639350 or 807639350. Listed at 13 retailers as of October 30, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807639350
Dimensions8.47 × 8.20 × 5.38 mm
L/W Ratio1.03
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
8.47 mm8.20 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807639350
Side View
Table 61.0%Crown 37.5°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 65.6%

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: $7,636 USD|Low: $1,613 USD|High: $8,151 USD|Avg: $4,080 USD|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8$1,613 USD
Retailer 3$1,754 USD
Retailer 2$1,920 USD
Retailer 11$2,000 USD
Retailer 7$2,142 USD
Retailer 6$2,944 USD
Retailer 4$3,960 USD
Retailer 5$4,635 USD
Retailer 12$4,935 USD
Retailer 9$6,758 USD
Retailer 10$7,050 USD
Novita Diamonds$7,636 USD

42 data points across 12 retailers

13 retailers$1,613 USD to $7,050 USD

A
Cheapest Retailer
-
$1,613 USD
HK$12,600 HKD
A
Retailer 2
-
$1,754 USD
View
A
Retailer 3
-
$1,920 USD
£1,512 GBP
View
A
Retailer 4
-
$2,000 USD
View
A
Retailer 5
-
$2,142 USD
€2,040 EUR
View
A
Retailer 6
-
$2,944 USD
View
A
Retailer 7
-
$3,960 USD
View
B+
Retailer 8
-
$4,635 USD
View
Retailer 9
-
$4,935 USD
£3,886 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
$5,731 USD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
$6,758 USD
View
B+
Retailer 12
-
$7,050 USD
View
Most Expensive
Novita Diamonds
cert_807639350 · Oct 8
$7,636 USD
A$11,748 AUD
View
Price last confirmed 22 days ago
12 more retailers have this diamond
Prices start from $1,613 USDSave up to $5,437 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
3.00ct Cushion
$1,613 USD