Cushion|Lab Grown|IGI

3.08ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG845616064

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG845616064

Diamond specifications and retailer prices

From $1,409 USD
As of October 31, 2026
Save $3,912 USD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,321 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG845616064 or 845616064. Listed at 11 retailers as of October 30, 2026, with prices from $1,409 to $5,321, a $3,912 spread on the same certified stone. Taylor and Hart lists it at $5,321. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.08
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845616064
Dimensions11.74 × 7.63 × 4.68 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm7.63 mm3.08 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845616064
Side View
Table 54.0%Crown 36.1°Girdle: MED-THKPavilion 41.2°Culet: LargeDepth 61.3%

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 31
Current: $2,201 USD|Low: $1,409 USD|High: $5,806 USD|Avg: $2,910 USD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 5$1,409 USD
Retailer 7$1,550 USD
Retailer 10$1,600 USD
Retailer 4$1,820 USD
Retailer 3$1,975 USD
Retailer 9$1,975 USD
Retailer 1$2,201 USD
Retailer 6$3,310 USD
Retailer 2$4,624 USD
Retailer 8$4,719 USD
Taylor and Hart$5,321 USD

8 data points across 11 retailers

11 retailers$1,409 USD to $5,321 USD

A
Cheapest Retailer
-
$1,409 USD
B+
Retailer 2
-
$1,550 USD
View
B+
Retailer 3
-
$1,600 USD
HK$12,500 HKD
View
B+
Retailer 4
-
$1,820 USD
View
B+
Retailer 5
-
$1,975 USD
View
B
Retailer 6
-
$1,975 USD
View
B+
Retailer 7
-
$2,201 USD
€2,096 EUR
View
B
Retailer 8
-
$3,310 USD
View
B
Retailer 9
-
$4,624 USD
SGD 6,248 SGD
View
B
Retailer 10
-
$4,719 USD
£3,716 GBP
View
Most Expensive
B
Taylor and Hart
4M3QZP5 · Oct 30
$5,321 USD
View
10 more retailers have this diamond
Prices start from $1,409 USDSave up to $3,912 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
3.08ct Cushion
$1,409 USD