CaratHunter
Plans
Round|Lab Grown|IGI

1.67ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG754510366

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510366

Diamond specifications and retailer prices

From €177 EUR
$199 USD
As of November 1, 2026
Save €1,187 EUR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,364 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG754510366 or 754510366. Listed at 13 retailers as of November 1, 2026, with prices from €177 to €1,364, a €1,187 spread on the same certified stone. Brilliant Earth lists it at €1,364. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.67
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510366
Dimensions7.52 × 7.44 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm7.44 mm1.67 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510366
Side View
Table 58.0%Crown 34.1°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 63.6%

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: Nov 1
Current: €1,364 EUR|Low: €170 EUR|High: €1,364 EUR|Avg: €430 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 6€177 EUR
Retailer 13€206 EUR
Retailer 8€220 EUR
Retailer 5€223 EUR
Retailer 4€374 EUR
Retailer 3€384 EUR
Retailer 2€403 EUR
Retailer 12€455 EUR
Retailer 11€481 EUR
Retailer 9€709 EUR
Retailer 10€711 EUR
Retailer 7€1,032 EUR
Brilliant Earth€1,364 EUR

42 data points across 13 retailers

13 retailers€177 EUR to €1,364 EUR

A
Cheapest Retailer
-
€177 EUR
$199 USD
A
Retailer 2
-
€206 EUR
$231 USD
View
A
Retailer 3
-
€220 EUR
$247 USD
View
Retailer 4
-
€223 EUR
$250 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€374 EUR
View
B+
Retailer 6
-
€384 EUR
$431 USD
View
B+
Retailer 7
-
€403 EUR
£356 GBP
View
B+
Retailer 8
-
€455 EUR
$510 USD
View
B+
Retailer 9
-
€481 EUR
$539 USD
View
B
Retailer 10
-
€709 EUR
$795 USD
View
B+
Retailer 11
-
€711 EUR
$798 USD
View
B
Retailer 12
-
€1,032 EUR
£911 GBP
View
Most Expensive
B
Brilliant Earth
18038583A · Nov 1
€1,364 EUR
$1,530 USD
View
12 more retailers have this diamond
Prices start from €177 EURSave up to €1,187 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.

A
1.67ct Round
€177 EUR