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Round|Lab Grown|IGI

1.97ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG492136509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136509

Diamond specifications and retailer prices

From $1,110 USD
As of October 31, 2026
Save $4,232 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,342 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.97ct lab-grown round diamond

This 1.97ct 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 LG492136509 or 492136509. Listed at 10 retailers as of October 29, 2026, with prices from $1,110 to $5,342, a $4,232 spread on the same certified stone. MOH London lists it at $5,342. 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

1.97
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136509
Dimensions8.01 × 7.96 × 4.99 mm
L/W Ratio1.01
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
8.01 mm7.96 mm1.97 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136509
Side View
Table 57.5%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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 31
Current: $5,342 USD|Low: $1,110 USD|High: $5,384 USD|Avg: $2,717 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,110 USD
Retailer 4$1,604 USD
Retailer 7$1,796 USD
Retailer 5$1,860 USD
Retailer 8$1,860 USD
Retailer 9$2,516 USD
Retailer 6$2,926 USD
Retailer 3$3,289 USD
Retailer 10$4,164 USD
MOH London$5,342 USD

17 data points across 10 retailers

10 retailers$1,110 USD to $5,342 USD

A
Cheapest Retailer
-
$1,110 USD
A
Retailer 2
-
$1,604 USD
View
B+
Retailer 3
-
$1,745 USD
View
B+
Retailer 4
-
$1,796 USD
View
Final sale: no returns
Retailer 5
-
$1,860 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,860 USD
View
B
Retailer 7
-
$2,926 USD
View
B
Retailer 8
-
$3,289 USD
View
B
Retailer 9
-
$3,487 USD
View
Most Expensive
B
MOH London
LG492136509 · Oct 29
$5,342 USD
£4,206 GBP
View
9 more retailers have this diamond
Prices start from $1,110 USDSave up to $4,232 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
1.97ct Round
$1,110 USD