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Round|Lab Grown|IGI

1.90ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG496134886

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496134886

Diamond specifications and retailer prices

From $3,236 AUD
As of November 5, 2026
Save $6,920 AUD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,156 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.9ct lab-grown round diamond

This 1.9ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496134886 or 496134886. Listed at 8 retailers as of November 5, 2026, with prices from $3,236 to $10,156, a $6,920 spread on the same certified stone. MOH London lists it at $10,156. 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

1.90
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496134886
Dimensions7.84 × 7.88 × 4.92 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
7.84 mm7.88 mm1.90 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496134886
Side View
Table 55.5%Crown 35.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,156 AUD|Low: $3,107 AUD|High: $10,321 AUD|Avg: $5,635 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$3,236 AUD
Retailer 6$3,520 AUD
Retailer 4$3,754 AUD
Retailer 8$4,744 AUD
Retailer 7$5,160 AUD
Retailer 2$5,753 AUD
Retailer 5$5,860 AUD
Retailer 9$8,398 AUD
MOH London$10,156 AUD

15 data points across 9 retailers

8 retailers$3,236 AUD to $10,156 AUD

B+
Cheapest Retailer
-
$3,236 AUD
B
Retailer 2
-
$3,520 AUD
View
Retailer 3
-
$3,754 AUD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$3,754 AUD
View
B
Retailer 5
-
$5,160 AUD
View
B
Retailer 6
-
$5,753 AUD
View
B
Retailer 7
-
$5,860 AUD
View
Most Expensive
B
MOH London
LG496134886 · Nov 5
$10,156 AUD
£5,598 GBP
View
7 more retailers have this diamond
Prices start from $3,236 AUDSave up to $6,920 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.

B+
1.90ct Round
$3,236 AUD