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Oval|Lab Grown|IGI

1.71ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG447098387

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447098387

Diamond specifications and retailer prices

From $1,070 USD
As of November 6, 2026
Save $4,310 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,380 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447098387 or 447098387. Listed at 11 retailers as of November 5, 2026, with prices from $1,070 to $5,380, a $4,310 spread on the same certified stone. MOH London lists it at $5,380. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447098387
Dimensions9.29 × 6.81 × 4.21 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.81 mm1.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447098387
Side View
Table 61.0%Crown 35.2°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,380 USD|Low: $1,070 USD|High: $5,466 USD|Avg: $2,787 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$1,070 USD
Retailer 4$1,628 USD
Retailer 8$1,823 USD
Retailer 3$1,832 USD
Retailer 6$1,889 USD
Retailer 9$2,060 USD
Retailer 10$2,539 USD
Retailer 7$2,968 USD
Retailer 2$3,256 USD
MOH London$5,380 USD
Retailer 11$5,407 USD

14 data points across 11 retailers

11 retailers$1,070 USD to $5,380 USD

A
Cheapest Retailer
-
$1,070 USD
B+
Retailer 2
-
$1,628 USD
View
B+
Retailer 3
-
$1,771 USD
View
B+
Retailer 4
-
$1,823 USD
View
Final sale: no returns
Retailer 5
-
$1,889 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,889 USD
View
B
Retailer 7
-
$2,060 USD
View
B
Retailer 8
-
$2,968 USD
View
B
Retailer 9
-
$3,256 USD
View
B
Retailer 10
-
$3,540 USD
View
Most Expensive
B
MOH London
LG447098387 · Nov 5
$5,380 USD
£4,236 GBP
View
10 more retailers have this diamond
Prices start from $1,070 USDSave up to $4,310 USD

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 Oval
$1,070 USD