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Radiant|Lab Grown|IGI

1.83ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615222

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

Certificate IGI LG816615222

Diamond specifications and retailer prices

From $1,149 SGD
$899 USD
As of November 1, 2026
Save $4,105 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,651 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.83ct lab-grown radiant diamond

This 1.83ct 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 top-tier cut grade and certified by IGI LG816615222 or 816615222. Listed at 8 retailers as of November 1, 2026, with a 357% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615222
Dimensions8.43 × 6.19 × 4.16 mm
L/W Ratio1.36
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
8.43 mm6.19 mm1.83 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615222
Side View
Table 65.0%Crown 44.5°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 67.2%

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: Nov 1
Current: $5,651 SGD|Low: $706 SGD|High: $6,763 SGD|Avg: $2,996 SGD|+9.4%
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
November 1, 2026
Retailer 13$706 SGD
Retailer 10$1,149 SGD
Retailer 6$1,151 SGD
Retailer 12$1,608 SGD
Retailer 9$1,892 SGD
Retailer 5$2,008 SGD
Retailer 11$2,545 SGD
Retailer 3$2,961 SGD
Retailer 2$3,384 SGD
Retailer 4$3,537 SGD
Retailer 7$4,295 SGD
Retailer 8$5,254 SGD
Rare Carat$5,651 SGD

18 data points across 13 retailers

8 retailers$1,149 SGD to $5,254 SGD

A
Cheapest Retailer
-
$1,149 SGD
$899 USD
A
Retailer 2
-
$1,151 SGD
$900 USD
View
B+
Retailer 3
-
$1,892 SGD
$1,480 USD
View
B+
Retailer 4
-
$2,545 SGD
$1,991 USD
View
B+
Retailer 5
-
$3,384 SGD
£2,084 GBP
View
B
Retailer 6
-
$4,295 SGD
$3,360 USD
View
B
Retailer 7
-
$5,254 SGD
$4,110 USD
View
Most Expensive
Rare Carat
PD-227809 · Oct 21
$5,651 SGD
$4,420 USD
View
Price last confirmed 11 days ago
7 more retailers have this diamond
Prices start from $1,149 SGDSave up to $4,105 SGD

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
1.83ct Radiant
$1,149 SGD