Radiant|Lab Grown|IGI

1.88ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG782602742

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG782602742

Diamond specifications and retailer prices

From $552 USD
As of October 30, 2026
Save $4,358 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,910 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.88ct lab-grown radiant diamond

This 1.88ct lab-grown radiant 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 LG782602742 or 782602742. Listed at 13 retailers as of October 29, 2026, with prices from $552 to $4,910, a $4,358 spread on the same certified stone. Do Amore Diamonds lists it at $4,910. 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 angle44.3°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782602742
Dimensions8.49 × 6.28 × 4.05 mm
L/W Ratio1.35
Culet sizePointed
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
8.49 mm6.28 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782602742
Side View
Table 67.0%Crown 44.3°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 64.5%

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 30
Current: $4,910 USD|Low: $552 USD|High: $6,620 USD|Avg: $2,474 USD|-18.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 9$552 USD
Retailer 3$619 USD
Retailer 7$802 USD
Retailer 12$926 USD
Retailer 11$1,057 USD
Retailer 8$1,105 USD
Retailer 13$1,639 USD
Retailer 6$1,673 USD
Retailer 14$1,989 USD
Retailer 5$2,234 USD
Retailer 10$3,287 USD
Retailer 2$4,180 USD
Retailer 4$4,540 USD
Do Amore Diamonds$4,910 USD

33 data points across 14 retailers

13 retailers$552 USD to $4,910 USD

A
Cheapest Retailer
-
$552 USD
A
Retailer 2
-
$619 USD
View
Retailer 3
-
$802 USD
£631 GBP
View
A
Retailer 4
-
$926 USD
View
A
Retailer 5
-
$1,057 USD
View
A
Retailer 6
-
$1,105 USD
View
B+
Retailer 7
-
$1,639 USD
View
B+
Retailer 8
-
$1,989 USD
View
B+
Retailer 9
-
$2,234 USD
View
B
Retailer 10
-
$3,287 USD
£2,588 GBP
View
B
Retailer 11
-
$4,180 USD
View
Retailer 12
-
$4,540 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-FB55971C7 · Oct 29
$4,910 USD
View
12 more retailers have this diamond
Prices start from $552 USDSave up to $4,358 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 Radiant
$552 USD