Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG846662377

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662377

Diamond specifications and retailer prices

From $641 USD
£505 GBP
As of October 30, 2026
Save $3,279 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,920 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.87ct lab-grown cushion diamond

This 1.87ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662377 or 846662377. Listed at 12 retailers as of October 29, 2026, with prices from $641 to $3,920, a $3,279 spread on the same certified stone. Do Amore Diamonds lists it at $3,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662377
Dimensions9.57 × 6.24 × 4.05 mm
L/W Ratio1.53
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
9.57 mm6.24 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662377
Side View
Table 60.0%Crown 30.8°Girdle: MED-THKPavilion 34.4°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
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 30
Current: $3,920 USD|Low: $640 USD|High: $5,830 USD|Avg: $2,074 USD|-32.8%
Do Amore 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 6$641 USD
Retailer 10$710 USD
Retailer 9$790 USD
Retailer 11$859 USD
Retailer 7$948 USD
Retailer 3$1,218 USD
Retailer 5$1,407 USD
Retailer 12$1,593 USD
Retailer 8$2,536 USD
Retailer 4$3,290 USD
Retailer 2$3,830 USD
Do Amore Diamonds$3,920 USD

13 data points across 12 retailers

12 retailers$641 USD to $3,920 USD

A
Cheapest Retailer
-
$641 USD
£505 GBP
A
Retailer 2
-
$710 USD
View
A
Retailer 3
-
$790 USD
View
A
Retailer 4
-
$859 USD
View
A
Retailer 5
-
$948 USD
€903 EUR
View
A
Retailer 6
-
$1,218 USD
View
A
Retailer 7
-
$1,407 USD
A$2,165 AUD
View
A
Retailer 8
-
$1,593 USD
View
B+
Retailer 9
-
$2,536 USD
£1,997 GBP
View
Retailer 10
-
$3,290 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$3,830 USD
View
Most Expensive
B
Do Amore Diamonds
27-713894242 · Oct 29
$3,920 USD
View
11 more retailers have this diamond
Prices start from $641 USDSave up to $3,279 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
1.87ct Cushion
$641 USD