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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 $255 SGD
$199 USD
As of November 1, 2026
Save $1,702 SGD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,957 SGD 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 $255 to $1,957, a $1,702 spread on the same certified stone. Brilliant Earth lists it at $1,957. 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
Colour
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

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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: Nov 1
Current: $1,957 SGD|Low: $244 SGD|High: $1,957 SGD|Avg: $620 SGD
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$255 SGD
Retailer 13$295 SGD
Retailer 8$316 SGD
Retailer 5$320 SGD
Retailer 4$537 SGD
Retailer 3$551 SGD
Retailer 2$578 SGD
Retailer 12$652 SGD
Retailer 11$689 SGD
Retailer 9$1,017 SGD
Retailer 10$1,021 SGD
Retailer 7$1,480 SGD
Brilliant Earth$1,957 SGD

41 data points across 13 retailers

13 retailers$255 SGD to $1,957 SGD

A
Cheapest Retailer
-
$255 SGD
$199 USD
A
Retailer 2
-
$295 SGD
$231 USD
View
A
Retailer 3
-
$316 SGD
$247 USD
View
Retailer 4
-
$320 SGD
$250 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$537 SGD
€400 EUR
View
B+
Retailer 6
-
$551 SGD
$431 USD
View
B+
Retailer 7
-
$578 SGD
£356 GBP
View
B+
Retailer 8
-
$652 SGD
$510 USD
View
B+
Retailer 9
-
$689 SGD
$539 USD
View
B
Retailer 10
-
$1,017 SGD
$795 USD
View
B+
Retailer 11
-
$1,021 SGD
$798 USD
View
B
Retailer 12
-
$1,480 SGD
£911 GBP
View
Most Expensive
B
Brilliant Earth
18038583A · Nov 1
$1,957 SGD
$1,530 USD
View
12 more retailers have this diamond
Prices start from $255 SGDSave up to $1,702 SGD

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
$255 SGD