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Round|Lab Grown|IGI

1.71ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG464198225

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464198225

Diamond specifications and retailer prices

From $427 SGD
$334 USD
As of October 29, 2026
Save $3,370 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,797 SGD at Do Amore Diamonds · As of October 31, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464198225 or 464198225. Listed at 17 retailers as of October 29, 2026, with prices from $427 to $3,797, a $3,370 spread on the same certified stone. Do Amore Diamonds lists it at $3,797. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464198225
Dimensions7.65 × 7.70 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
7.65 mm7.70 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464198225
Side View
Table 57.5%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: $3,797 SGD|Low: $427 SGD|High: $3,797 SGD|Avg: $1,314 SGD
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 30, 2026
Retailer 16$427 SGD
Retailer 14$496 SGD
Retailer 4$529 SGD
Retailer 13$529 SGD
Retailer 10$562 SGD
Retailer 12$626 SGD
Retailer 17$637 SGD
Retailer 15$964 SGD
Retailer 8$991 SGD
Retailer 2$992 SGD
Retailer 9$1,099 SGD
Retailer 5$1,553 SGD
Retailer 7$1,731 SGD
Retailer 3$1,879 SGD
Retailer 6$2,079 SGD
Retailer 11$2,296 SGD
Do Amore Diamonds$3,797 SGD

14 data points across 17 retailers

17 retailers$427 SGD to $3,797 SGD

A
Cheapest Retailer
-
$427 SGD
$334 USD
A
Retailer 2
-
$496 SGD
$388 USD
View
A
Retailer 3
-
$529 SGD
$414 USD
View
A
Retailer 4
-
$529 SGD
$414 USD
View
B+
Retailer 5
-
$562 SGD
$440 USD
View
A
Retailer 6
-
$626 SGD
$490 USD
View
A
Retailer 7
-
$637 SGD
$498 USD
View
A
Retailer 8
-
$964 SGD
$754 USD
View
A
Retailer 9
-
$991 SGD
$775 USD
View
A
Retailer 10
-
$992 SGD
£611 GBP
View
A
Retailer 11
-
$1,099 SGD
$860 USD
View
A
Retailer 12
-
$1,553 SGD
$1,215 USD
View
A
Retailer 13
-
$1,731 SGD
$1,354 USD
View
A
Retailer 14
-
$1,879 SGD
$1,470 USD
View
B+
Retailer 15
-
$2,079 SGD
$1,626 USD
View
B+
Retailer 16
-
$2,296 SGD
£1,414 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C32A20587 · Oct 31
$3,797 SGD
$2,970 USD
View
16 more retailers have this diamond
Prices start from $427 SGDSave up to $3,370 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
$427 SGD