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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 $340 SGD
$266 USD
As of October 29, 2026
Save $1,428 SGD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,768 SGD 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 $340 to $1,768, a $1,428 spread on the same certified stone. MOH London lists it at $1,768. 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
Colour
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: $1,768 SGD|Low: $340 SGD|High: $1,786 SGD|Avg: $923 SGD|-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 31, 2026
Retailer 12$340 SGD
Retailer 6$381 SGD
Retailer 5$395 SGD
Retailer 4$422 SGD
Retailer 14$569 SGD
Retailer 15$626 SGD
Retailer 11$659 SGD
Retailer 13$781 SGD
Retailer 2$785 SGD
Retailer 9$807 SGD
Retailer 16$910 SGD
Retailer 10$1,070 SGD
Retailer 3$1,356 SGD
Retailer 7$1,464 SGD
Retailer 8$1,726 SGD
MOH London$1,768 SGD

35 data points across 16 retailers

17 retailers$340 SGD to $1,768 SGD

A
Cheapest Retailer
-
$340 SGD
$266 USD
A
Retailer 2
-
$381 SGD
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$395 SGD
$309 USD
View
A
Retailer 4
-
$422 SGD
$330 USD
View
A
Retailer 5
-
$441 SGD
$345 USD
View
B+
Retailer 6
-
$569 SGD
$445 USD
View
A
Retailer 7
-
$626 SGD
$490 USD
View
A
Retailer 8
-
$659 SGD
£406 GBP
View
B+
Retailer 9
-
$781 SGD
$611 USD
View
B+
Retailer 10
-
$785 SGD
€585 EUR
View
B+
Retailer 11
-
$807 SGD
£497 GBP
View
B+
Retailer 12
-
$910 SGD
$712 USD
View
B+
Retailer 13
-
$1,070 SGD
$837 USD
View
B
Retailer 14
-
$1,356 SGD
$1,061 USD
View
B
Retailer 15
-
$1,464 SGD
$1,145 USD
View
B
Retailer 16
-
$1,726 SGD
$1,350 USD
View
Most Expensive
B
MOH London
LG678584407 · Oct 25
$1,768 SGD
£1,089 GBP
View
16 more retailers have this diamond
Prices start from $340 SGDSave up to $1,428 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
1.97ct Round
$340 SGD