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Round|Lab Grown|IGI

1.61ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG445037465

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445037465

Diamond specifications and retailer prices

From $2,458 SGD
As of November 5, 2026
Save $2,885 SGD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,119 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.61ct lab-grown round diamond

This 1.61ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037465 or 445037465. Listed at 9 retailers as of November 5, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.61
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037465
Dimensions7.52 × 7.56 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.52 mm7.56 mm1.61 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037465
Side View
Table 55.5%Crown 31.8°GirdlePavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,119 SGD|Low: $2,359 SGD|High: $8,239 SGD|Avg: $4,388 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$2,458 SGD
Retailer 5$2,850 SGD
Retailer 7$2,850 SGD
Retailer 2$3,117 SGD
Retailer 8$3,645 SGD
Retailer 6$4,464 SGD
Retailer 3$4,680 SGD
Retailer 9$6,378 SGD
MOH London$8,119 SGD

38 data points across 9 retailers

9 retailers$2,458 SGD to $5,343 SGD

B
Cheapest Retailer
-
$2,458 SGD
B
Retailer 2
-
$2,673 SGD
View
B
Retailer 3
-
$2,850 SGD
View
Retailer 4
-
$2,850 SGD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$3,117 SGD
View
B
Retailer 6
-
$4,464 SGD
View
C
Retailer 7
-
$4,680 SGD
View
C
Retailer 8
-
$5,343 SGD
View
Most Expensive
MOH London
LG445037465 · Nov 5
$8,119 SGD
£5,005 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $2,458 SGDSave up to $2,885 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.

B
1.61ct Round
$2,458 SGD