Radiant|Lab Grown|IGI

1.88ct E FL Radiant Lab Grown Diamond

VG • E/FL • IGI LG818654268

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

Certificate IGI LG818654268

Diamond specifications and retailer prices

From $669 USD
As of October 30, 2026
Save $3,471 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,565 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818654268 or 818654268. Listed at 21 retailers as of October 30, 2026, with a 519% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.88
Carat
E
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654268
Dimensions8.49 × 6.02 × 4.26 mm
L/W Ratio1.41
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 mm6.02 mm1.88 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654268
Side View
Table 62.0%Crown 43.5°Girdle: Slightly ThickPavilion 37.3°Culet: NoneDepth 70.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,565 USD|Low: $669 USD|High: $5,440 USD|Avg: $2,245 USD|-2.1%
Rare Carat
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 7$669 USD
Retailer 13$855 USD
Retailer 4$966 USD
Retailer 15$1,118 USD
Retailer 5$1,137 USD
Retailer 11$1,159 USD
Retailer 12$1,273 USD
Retailer 17$1,602 USD
Retailer 3$1,612 USD
Retailer 14$2,149 USD
Retailer 9$2,332 USD
Retailer 6$2,396 USD
Retailer 2$2,592 USD
Retailer 16$3,233 USD
Retailer 8$3,258 USD
Retailer 10$4,140 USD
Rare Carat$4,565 USD

35 data points across 17 retailers

21 retailers$669 USD to $4,140 USD

A
Cheapest Retailer
-
$669 USD
Final sale: no returns
Retailer 2
-
$681 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$772 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$790 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$855 USD
View
A
Retailer 6
-
$966 USD
View
Retailer 7
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$1,118 USD
€1,065 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$1,137 USD
View
A
Retailer 9
-
$1,159 USD
£912 GBP
View
B+
Retailer 10
-
$1,273 USD
ZAR 20,566 ZAR
View
B+
Retailer 11
-
$1,602 USD
View
B+
Retailer 12
-
$1,612 USD
View
B
Retailer 13
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$2,149 USD
£1,692 GBP
View
Retailer 14
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$2,220 USD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$2,332 USD
SGD 3,151 SGD
View
B
Retailer 16
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$2,396 USD
View
B
Retailer 17
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$2,592 USD
View
B
Retailer 18
-
$3,233 USD
£2,546 GBP
View
B
Retailer 19
-
$3,258 USD
View
B
Retailer 20
-
$4,140 USD
View
Most Expensive
Rare Carat
PD-237863 · Oct 21
$4,565 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $669 USDSave up to $3,471 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
$669 USD