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1.67ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG538286271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG538286271

Diamond specifications and retailer prices

From €405 EUR
$453 USD
As of November 1, 2026
Save €538 EUR (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €944 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538286271 or 538286271. Listed at 2 retailers as of November 1, 2026, with prices from €405 to €944, a €538 spread on the same certified stone. MOH London lists it at €944. 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

1.67
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538286271
Dimensions7.72 × 7.68 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm7.68 mm1.67 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538286271
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°CuletDepth 59.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €944 EUR|Low: €405 EUR|High: €1,516 EUR|Avg: €903 EUR|-37.8%
MOH London
Retailer 2
November 1, 2026
Retailer 2€405 EUR
MOH London€944 EUR

5 data points across 2 retailers

2 retailers€405 EUR to €944 EUR

B+
Cheapest Retailer
-
€405 EUR
$453 USD
Most Expensive
B
MOH London
LG538286271 · Nov 1
€944 EUR
£830 GBP
View
1 more retailer has this diamond
Prices start from €405 EURSave up to €538 EUR

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+
1.67ct Round
€405 EUR