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Round|Lab Grown|IGI

1.97ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG678584407

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678584407

Diamond specifications and retailer prices

From $266 USD
As of October 29, 2026
Save $1,117 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,383 USD at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584407 or 678584407. Listed at 17 retailers as of October 25, 2026, with prices from $266 to $1,383, a $1,117 spread on the same certified stone. MOH London lists it at $1,383. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584407
Dimensions8.15 × 8.06 × 4.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm8.06 mm1.97 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584407
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.4%

Caratlytics Score

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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 29
Current: $1,383 USD|Low: $266 USD|High: $1,397 USD|Avg: $688 USD|-0.9%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 10$266 USD
Retailer 5$298 USD
Retailer 4$309 USD
Retailer 3$330 USD
Retailer 13$445 USD
Retailer 14$490 USD
Retailer 2$516 USD
Retailer 12$611 USD
Retailer 11$616 USD
Retailer 9$631 USD
Retailer 15$712 USD
Retailer 7$877 USD
Retailer 16$1,061 USD
Retailer 6$1,145 USD
Retailer 8$1,350 USD
MOH London$1,383 USD

36 data points across 16 retailers

17 retailers$266 USD to $1,383 USD

A
Cheapest Retailer
-
$266 USD
A
Retailer 2
-
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$309 USD
View
A
Retailer 4
-
$330 USD
View
A
Retailer 5
-
$345 USD
View
B+
Retailer 6
-
$445 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$516 USD
£406 GBP
View
B+
Retailer 9
-
$611 USD
View
B+
Retailer 10
-
$616 USD
€587 EUR
View
B+
Retailer 11
-
$631 USD
£497 GBP
View
B+
Retailer 12
-
$712 USD
View
B+
Retailer 13
-
$877 USD
View
B
Retailer 14
-
$1,061 USD
View
B
Retailer 15
-
$1,145 USD
View
B
Retailer 16
-
$1,350 USD
View
Most Expensive
B
MOH London
LG678584407 · Oct 25
$1,383 USD
£1,089 GBP
View
16 more retailers have this diamond
Prices start from $266 USDSave up to $1,117 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
$266 USD