CaratHunter
Plans
Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG591307524

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591307524

Diamond specifications and retailer prices

From $291 USD
As of October 28, 2026
Save $1,859 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,150 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591307524 or 591307524. Listed at 16 retailers as of October 28, 2026, with prices from $291 to $2,150, a $1,859 spread on the same certified stone. Do Amore Diamonds lists it at $2,150. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591307524
Dimensions7.62 × 7.63 × 4.65 mm
L/W Ratio1.00
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
7.62 mm7.63 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591307524
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

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: Oct 28
Current: $2,150 USD|Low: $259 USD|High: $2,220 USD|Avg: $758 USD|-3.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 5$259 USD
Retailer 6$286 USD
Retailer 3$291 USD
Retailer 13$372 USD
Retailer 12$394 USD
Retailer 14$410 USD
Retailer 11$537 USD
Retailer 2$580 USD
Retailer 7$603 USD
Retailer 8$686 USD
Retailer 10$896 USD
Retailer 4$1,192 USD
Retailer 9$1,231 USD
Do Amore Diamonds$2,150 USD

38 data points across 14 retailers

16 retailers$291 USD to $2,150 USD

A
Retailer 1
-
$231 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$268 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$283 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$291 USD
View
B+
Retailer 5
-
$372 USD
View
A
Retailer 6
-
$394 USD
View
A
Retailer 7
-
$410 USD
HK$3,200 HKD
View
A
Retailer 8
-
$537 USD
View
A
Retailer 9
-
$580 USD
£456 GBP
View
Retailer 10
-
$603 USD
View
B+
Retailer 11
-
$686 USD
€653 EUR
View
B
Retailer 12
-
$896 USD
View
B
Retailer 13
-
$1,016 USD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$1,192 USD
SGD 1,611 SGD
View
B
Retailer 15
-
$1,231 USD
£969 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ED6A3FC01 · Oct 29
$2,150 USD
View
15 more retailers have this diamond
Prices start from $291 USDSave up to $1,859 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
1.67ct Round
$291 USD