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Round|Lab Grown|IGI

1.98ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG488154364

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154364

Diamond specifications and retailer prices

From $1,110 USD
As of October 31, 2026
Save $4,860 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,970 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.98ct lab-grown round diamond

This 1.98ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488154364 or 488154364. Listed at 12 retailers as of October 29, 2026, with prices from $1,110 to $5,970, a $4,860 spread on the same certified stone. MOH London lists it at $5,970. 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

1.98
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154364
Dimensions8.09 × 8.05 × 4.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.09 mm8.05 mm1.98 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154364
Side View
Table 55.5%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.3%

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: $5,970 USD|Low: $1,110 USD|High: $6,017 USD|Avg: $2,762 USD|+0.5%
MOH London
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
October 30, 2026
Retailer 2$1,110 USD
Retailer 9$1,792 USD
Retailer 12$1,950 USD
Retailer 14$2,006 USD
Retailer 3$2,079 USD
Retailer 10$2,079 USD
Retailer 6$2,101 USD
Retailer 4$2,250 USD
Retailer 5$2,776 USD
Retailer 11$3,262 USD
Retailer 8$3,497 USD
Retailer 7$3,772 USD
Retailer 13$3,897 USD
MOH London$5,970 USD

36 data points across 14 retailers

12 retailers$1,110 USD to $5,970 USD

A
Cheapest Retailer
-
$1,110 USD
B+
Retailer 2
-
$1,792 USD
View
B+
Retailer 3
-
$1,950 USD
View
B+
Retailer 4
-
$2,006 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,079 USD
View
Retailer 6
-
$2,079 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,250 USD
View
B
Retailer 8
-
$3,262 USD
View
B
Retailer 9
-
$3,497 USD
View
B
Retailer 10
-
$3,772 USD
£2,970 GBP
View
B
Retailer 11
-
$3,897 USD
View
Most Expensive
B
MOH London
LG488154364 · Oct 29
$5,970 USD
£4,701 GBP
View
11 more retailers have this diamond
Prices start from $1,110 USDSave up to $4,860 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
1.98ct Round
$1,110 USD