CaratHunter
Plans
Cushion|Lab Grown|IGI

1.88ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836612065

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836612065

Diamond specifications and retailer prices

From $735 USD
As of October 30, 2026
Save $3,735 USD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,470 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836612065 or 836612065. Listed at 17 retailers as of October 30, 2026, with prices from $735 to $4,470, a $3,735 spread on the same certified stone. Brilliant Earth lists it at $4,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612065
Dimensions9.04 × 6.16 × 4.15 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
9.04 mm6.16 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612065
Side View
Table 59.0%Crown 33.7°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 67.4%

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: $4,470 USD|Low: $735 USD|High: $6,030 USD|Avg: $2,212 USD|-25.9%
Brilliant Earth
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
Retailer 17
October 30, 2026
Retailer 4$735 USD
Retailer 9$808 USD
Retailer 2$852 USD
Retailer 14$930 USD
Retailer 10$1,201 USD
Retailer 15$1,228 USD
Retailer 11$1,289 USD
Retailer 13$1,381 USD
Retailer 16$1,618 USD
Retailer 6$1,745 USD
Retailer 3$2,332 USD
Retailer 5$2,466 USD
Retailer 17$2,594 USD
Retailer 12$3,184 USD
Retailer 8$3,606 USD
Retailer 7$3,655 USD
Brilliant Earth$4,470 USD

27 data points across 17 retailers

17 retailers$735 USD to $4,470 USD

A
Cheapest Retailer
-
$735 USD
Final sale: no returns
Retailer 2
-
$808 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$852 USD
£671 GBP
View
A
Retailer 4
-
$930 USD
View
A
Retailer 5
-
$1,201 USD
£946 GBP
View
A
Retailer 6
-
$1,228 USD
View
A
Retailer 7
-
$1,289 USD
€1,228 EUR
View
A
Retailer 8
-
$1,381 USD
ZAR 22,316 ZAR
View
A
Retailer 9
-
$1,618 USD
View
A
Retailer 10
-
$1,745 USD
View
B+
Retailer 11
-
$2,332 USD
£1,836 GBP
View
B+
Retailer 12
-
$2,466 USD
View
B+
Retailer 13
-
$2,594 USD
View
B+
Retailer 14
-
$3,184 USD
£2,507 GBP
View
B
Retailer 15
-
$3,606 USD
View
Retailer 16
-
$3,655 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21612320A · Oct 30
$4,470 USD
View
16 more retailers have this diamond
Prices start from $735 USDSave up to $3,735 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
1.88ct Cushion
$735 USD