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Round|Lab Grown|IGI

1.71ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG440011203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440011203

Diamond specifications and retailer prices

From $1,395 AUD
$980 USD
As of October 31, 2026
Save $5,963 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,358 AUD at MOH London · As of October 29, 2026
View at MOH London

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 LG440011203 or 440011203. Listed at 11 retailers as of October 29, 2026, with prices from $1,395 to $7,358, a $5,963 spread on the same certified stone. MOH London lists it at $7,358. 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 angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440011203
Dimensions7.63 × 7.66 × 4.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.63 mm7.66 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440011203
Side View
Table 54.0%Crown 35.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

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: Oct 31
Current: $7,358 AUD|Low: $1,395 AUD|High: $7,416 AUD|Avg: $3,636 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$1,395 AUD
Retailer 5$2,209 AUD
Retailer 8$2,474 AUD
Retailer 6$2,562 AUD
Retailer 4$2,804 AUD
Retailer 9$3,465 AUD
Retailer 7$4,033 AUD
Retailer 3$4,531 AUD
MOH London$7,358 AUD

17 data points across 9 retailers

11 retailers$1,395 AUD to $7,358 AUD

A
Cheapest Retailer
-
$1,395 AUD
$980 USD
B+
Retailer 2
-
$2,209 AUD
$1,552 USD
View
B+
Retailer 3
-
$2,403 AUD
$1,688 USD
View
B+
Retailer 4
-
$2,474 AUD
$1,738 USD
View
Final sale: no returns
Retailer 5
-
$2,562 AUD
$1,800 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,562 AUD
$1,800 USD
View
B+
Retailer 7
-
$2,804 AUD
$1,970 USD
View
B
Retailer 8
-
$4,033 AUD
$2,833 USD
View
B
Retailer 9
-
$4,531 AUD
$3,183 USD
View
B
Retailer 10
-
$4,803 AUD
$3,374 USD
View
Most Expensive
B
MOH London
LG440011203 · Oct 29
$7,358 AUD
£4,070 GBP
View
10 more retailers have this diamond
Prices start from $1,395 AUDSave up to $5,963 AUD

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
$1,395 AUD