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Round|Lab Grown|IGI

1.71ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG573377307

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573377307

Diamond specifications and retailer prices

From $260 SGD
$203 USD
As of October 29, 2026
Save $2,234 SGD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,494 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown round diamond

This 1.71ct 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 LG573377307 or 573377307. Listed at 10 retailers as of October 29, 2026, with prices from $260 to $2,494, a $2,234 spread on the same certified stone. Do Amore Diamonds lists it at $2,494. 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

1.71
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573377307
Dimensions7.64 × 7.60 × 4.75 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
7.64 mm7.60 mm1.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573377307
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

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: $2,494 SGD|Low: $252 SGD|High: $2,545 SGD|Avg: $929 SGD|-2.0%
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
Retailer 13
Retailer 14
October 29, 2026
Retailer 13$260 SGD
Retailer 14$294 SGD
Retailer 12$302 SGD
Retailer 11$556 SGD
Retailer 2$657 SGD
Retailer 4$691 SGD
Retailer 5$770 SGD
Retailer 3$821 SGD
Retailer 8$1,036 SGD
Retailer 9$1,040 SGD
Retailer 10$1,143 SGD
Retailer 7$1,426 SGD
Retailer 6$1,432 SGD
Do Amore Diamonds$2,494 SGD

37 data points across 14 retailers

10 retailers$260 SGD to $2,494 SGD

A
Cheapest Retailer
-
$260 SGD
$203 USD
A
Retailer 2
-
$294 SGD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$302 SGD
$236 USD
View
B+
Retailer 4
-
$556 SGD
$435 USD
View
A
Retailer 5
-
$657 SGD
£404 GBP
View
Retailer 6
-
$1,036 SGD
$810 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,040 SGD
$813 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,143 SGD
$894 USD
View
Retailer 9
-
$1,426 SGD
£878 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-706090C23 · Oct 29
$2,494 SGD
$1,950 USD
View
9 more retailers have this diamond
Prices start from $260 SGDSave up to $2,234 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
1.71ct Round
$260 SGD