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Round|Lab Grown|IGI

1.60ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG447002179

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447002179

Diamond specifications and retailer prices

From $1,281 AUD
$900 USD
As of October 30, 2026
Save $5,667 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,948 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447002179 or 447002179. Listed at 11 retailers as of October 25, 2026, with prices from $1,281 to $6,948, a $5,667 spread on the same certified stone. MOH London lists it at $6,948. 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

1.60
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447002179
Dimensions7.60 × 7.57 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.60 mm7.57 mm1.60 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447002179
Side View
Table 58.5%Crown 32.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
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 30
Current: $6,948 AUD|Low: $1,281 AUD|High: $7,031 AUD|Avg: $3,083 AUD|+0.1%
MOH London
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 30, 2026
Retailer 2$1,281 AUD
Retailer 8$1,862 AUD
Retailer 11$2,026 AUD
Retailer 13$2,084 AUD
Retailer 9$2,160 AUD
Retailer 14$2,160 AUD
Retailer 5$2,492 AUD
Retailer 7$2,706 AUD
Retailer 4$2,980 AUD
Retailer 10$3,415 AUD
Retailer 3$4,025 AUD
Retailer 12$4,047 AUD
Retailer 6$4,834 AUD
MOH London$6,948 AUD

24 data points across 14 retailers

11 retailers$1,281 AUD to $6,948 AUD

A
Cheapest Retailer
-
$1,281 AUD
$900 USD
B+
Retailer 2
-
$1,862 AUD
$1,308 USD
View
B+
Retailer 3
-
$2,026 AUD
$1,423 USD
View
B+
Retailer 4
-
$2,084 AUD
$1,464 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,160 AUD
$1,517 USD
View
Retailer 6
-
$2,160 AUD
$1,517 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,706 AUD
£1,497 GBP
View
B
Retailer 8
-
$3,415 AUD
$2,399 USD
View
B
Retailer 9
-
$4,025 AUD
$2,827 USD
View
B
Retailer 10
-
$4,047 AUD
$2,843 USD
View
Most Expensive
B
MOH London
LG447002179 · Oct 25
$6,948 AUD
£3,843 GBP
View
10 more retailers have this diamond
Prices start from $1,281 AUDSave up to $5,667 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
1.60ct Round
$1,281 AUD