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Round|Lab Grown|IGI

1.62ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG11902215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG11902215

Diamond specifications and retailer prices

From $521 SGD
$407 USD
As of November 1, 2026
Save $1,956 SGD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,118 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG11902215 or 11902215. Listed at 12 retailers as of November 1, 2026, with a 376% 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

1.62
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG11902215
Dimensions7.51 × 7.55 × 4.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.51 mm7.55 mm1.62 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG11902215
Side View
Table 58.5%Crown 35.5°Girdle: MED-UNDPavilion 41.5°Culet: NoneDepth 62.2%

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: Nov 1
Current: $4,118 SGD|Low: $521 SGD|High: $4,118 SGD|Avg: $1,489 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 8$521 SGD
Retailer 7$588 SGD
Retailer 10$767 SGD
Retailer 2$1,038 SGD
Retailer 12$1,048 SGD
Retailer 4$1,135 SGD
Retailer 5$1,164 SGD
Retailer 9$1,684 SGD
Retailer 11$1,824 SGD
Retailer 3$2,233 SGD
Retailer 6$2,477 SGD
Do Amore Diamonds$4,118 SGD

17 data points across 12 retailers

12 retailers$521 SGD to $2,477 SGD

A
Cheapest Retailer
-
$521 SGD
$407 USD
B+
Retailer 2
-
$588 SGD
$460 USD
View
B+
Retailer 3
-
$767 SGD
$600 USD
View
B
Retailer 4
-
$1,038 SGD
£639 GBP
View
Retailer 5
-
$1,048 SGD
$820 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$1,135 SGD
$888 USD
View
B+
Retailer 7
-
$1,164 SGD
£717 GBP
View
B
Retailer 8
-
$1,684 SGD
$1,317 USD
View
B
Retailer 9
-
$1,824 SGD
$1,426 USD
View
B
Retailer 10
-
$2,233 SGD
$1,746 USD
View
B
Retailer 11
-
$2,477 SGD
£1,525 GBP
View
Most Expensive
Do Amore Diamonds
27-9DF4881C1 · Nov 2
$4,118 SGD
$3,220 USD
View
Price under review
11 more retailers have this diamond
Prices start from $521 SGDSave up to $1,956 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
1.62ct Round
$521 SGD