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Round|Lab Grown|IGI

1.83ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436047354

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436047354

Diamond specifications and retailer prices

From $1,304 SGD
$1,020 USD
As of October 31, 2026
Save $5,047 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,351 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047354 or 436047354. Listed at 10 retailers as of October 29, 2026, with prices from $1,304 to $6,351, a $5,047 spread on the same certified stone. MOH London lists it at $6,351. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.83
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047354
Dimensions7.81 × 7.78 × 4.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.81 mm7.78 mm1.83 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047354
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.2%

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: Oct 31
Current: $6,351 SGD|Low: $1,304 SGD|High: $6,402 SGD|Avg: $3,227 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,304 SGD
Retailer 4$1,907 SGD
Retailer 7$2,075 SGD
Retailer 9$2,135 SGD
Retailer 5$2,212 SGD
Retailer 11$3,012 SGD
Retailer 6$3,485 SGD
Retailer 10$4,014 SGD
Retailer 8$4,146 SGD
Retailer 3$4,952 SGD
MOH London$6,351 SGD

16 data points across 11 retailers

10 retailers$1,304 SGD to $6,351 SGD

A
Cheapest Retailer
-
$1,304 SGD
$1,020 USD
B+
Retailer 2
-
$1,907 SGD
$1,492 USD
View
B+
Retailer 3
-
$2,075 SGD
$1,623 USD
View
B+
Retailer 4
-
$2,135 SGD
$1,670 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,212 SGD
$1,730 USD
View
Retailer 6
-
$2,212 SGD
$1,730 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,485 SGD
$2,726 USD
View
B
Retailer 8
-
$4,014 SGD
$3,140 USD
View
B
Retailer 9
-
$4,146 SGD
$3,243 USD
View
Most Expensive
B
MOH London
LG436047354 · Oct 29
$6,351 SGD
£3,912 GBP
View
9 more retailers have this diamond
Prices start from $1,304 SGDSave up to $5,047 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 Round
$1,304 SGD