Round|Lab Grown|IGI

1.29ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG800679307

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800679307

Diamond specifications and retailer prices

From $461 USD
HK$3,600 HKD
As of October 28, 2026
Save $1,379 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,840 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679307 or 800679307. Listed at 11 retailers as of October 28, 2026, with prices from $461 to $1,840, a $1,379 spread on the same certified stone. Brilliant Earth lists it at $1,840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679307
Dimensions7.04 × 7.10 × 4.26 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
7.04 mm7.10 mm1.29 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679307
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

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 28
Current: $1,840 USD|Low: $461 USD|High: $1,900 USD|Avg: $1,036 USD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$461 USD
Retailer 11$565 USD
Retailer 4$655 USD
Retailer 2$713 USD
Retailer 5$746 USD
Retailer 9$758 USD
Retailer 7$908 USD
Retailer 10$1,331 USD
Retailer 3$1,523 USD
Retailer 6$1,607 USD
Brilliant Earth$1,840 USD

41 data points across 11 retailers

11 retailers$461 USD to $1,840 USD

A
Cheapest Retailer
-
$461 USD
HK$3,600 HKD
A
Retailer 2
-
$565 USD
View
A
Retailer 3
-
$655 USD
€624 EUR
View
A
Retailer 4
-
$713 USD
£561 GBP
View
A
Retailer 5
-
$746 USD
A$1,148 AUD
View
A
Retailer 6
-
$758 USD
View
B+
Retailer 7
-
$908 USD
View
B+
Retailer 8
-
$1,331 USD
View
B
Retailer 9
-
$1,523 USD
View
B+
Retailer 10
-
$1,607 USD
£1,265 GBP
View
Most Expensive
B
Brilliant Earth
20788686A · Oct 29
$1,840 USD
View
10 more retailers have this diamond
Prices start from $461 USDSave up to $1,379 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
1.29ct Round
$461 USD