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Round|Lab Grown|IGI

1.72ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG488143432

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488143432

Diamond specifications and retailer prices

From $1,290 USD
As of October 29, 2026
Save $3,730 USD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,020 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488143432 or 488143432. Listed at 10 retailers as of October 29, 2026, with prices from $1,290 to $5,020, a $3,730 spread on the same certified stone. MOH London lists it at $5,020. 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

1.72
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488143432
Dimensions7.61 × 7.57 × 4.78 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
7.61 mm7.57 mm1.72 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488143432
Side View
Table 59.5%Crown 36.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.9%

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 29
Current: $5,020 USD|Low: $1,206 USD|High: $5,061 USD|Avg: $2,475 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$1,290 USD
Retailer 5$1,507 USD
Retailer 9$1,640 USD
Retailer 11$1,688 USD
Retailer 7$1,749 USD
Retailer 3$1,939 USD
Retailer 12$2,373 USD
Retailer 8$2,755 USD
Retailer 2$3,092 USD
Retailer 10$3,278 USD
Retailer 4$3,915 USD
MOH London$5,020 USD

18 data points across 12 retailers

10 retailers$1,290 USD to $5,020 USD

A
Cheapest Retailer
-
$1,290 USD
B+
Retailer 2
-
$1,507 USD
View
B+
Retailer 3
-
$1,640 USD
View
B+
Retailer 4
-
$1,688 USD
View
Final sale: no returns
Retailer 5
-
$1,749 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,749 USD
View
B
Retailer 7
-
$2,755 USD
View
B
Retailer 8
-
$3,092 USD
View
B
Retailer 9
-
$3,278 USD
View
Most Expensive
B
MOH London
LG488143432 · Oct 29
$5,020 USD
£3,953 GBP
View
9 more retailers have this diamond
Prices start from $1,290 USDSave up to $3,730 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
1.72ct Round
$1,290 USD