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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720540510

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720540510

Diamond specifications and retailer prices

From $281 SGD
$219 USD
As of October 29, 2026
Save $2,649 SGD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,930 SGD at Queensmith · As of October 27, 2026
View at Queensmith

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720540510 or 720540510. Listed at 23 retailers as of October 27, 2026, with prices from $281 to $2,930, a $2,649 spread on the same certified stone. Queensmith lists it at $2,930. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540510
Dimensions6.90 × 6.94 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.90 mm6.94 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540510
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Oct 29
Current: $645 SGD|Low: $314 SGD|High: $3,204 SGD|Avg: $889 SGD|-13.5%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
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Retailer 19
October 29, 2026
Retailer 4$314 SGD
Retailer 9$326 SGD
Retailer 18$394 SGD
Retailer 5$468 SGD
Retailer 13$598 SGD
Retailer 11$622 SGD
Retailer 12$634 SGD
Retailer 1$645 SGD
Retailer 3$661 SGD
Retailer 14$850 SGD
Retailer 17$905 SGD
Retailer 2$924 SGD
Retailer 10$1,125 SGD
Retailer 19$1,186 SGD
Retailer 7$1,196 SGD
Retailer 15$1,395 SGD
Retailer 16$1,551 SGD
Retailer 6$1,607 SGD
Retailer 8$2,153 SGD

39 data points across 19 retailers

23 retailers$281 SGD to $2,930 SGD

A
Cheapest Retailer
-
$281 SGD
$219 USD
A
Retailer 2
-
$314 SGD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$326 SGD
$254 USD
View
A
Retailer 4
-
$347 SGD
$271 USD
View
A
Retailer 5
-
$347 SGD
$271 USD
View
A
Retailer 6
-
$394 SGD
HK$2,400 HKD
View
B+
Retailer 7
-
$468 SGD
$365 USD
View
A
Retailer 8
-
$598 SGD
ZAR 7,532 ZAR
View
A
Retailer 9
-
$634 SGD
€471 EUR
View
A
Retailer 10
-
$645 SGD
£396 GBP
View
A
Retailer 11
-
$661 SGD
$516 USD
View
A
Retailer 12
-
$850 SGD
A$1,020 AUD
View
A
Retailer 13
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$905 SGD
$706 USD
View
A
Retailer 14
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$924 SGD
$721 USD
View
A
Retailer 15
-
$1,118 SGD
$872 USD
View
B+
Retailer 16
-
$1,125 SGD
View
B+
Retailer 17
-
$1,186 SGD
$925 USD
View
B+
Retailer 18
-
$1,196 SGD
$933 USD
View
B+
Retailer 19
-
$1,395 SGD
£857 GBP
View
Retailer 20
-
$1,551 SGD
$1,210 USD
View
Price last confirmed 11 days ago
B+
Retailer 21
-
$1,607 SGD
$1,254 USD
View
B+
Retailer 22
-
$2,153 SGD
$1,680 USD
View
Most Expensive
B
Queensmith
LG720540510 · Oct 27
$2,930 SGD
£1,800 GBP
View
22 more retailers have this diamond
Prices start from $281 SGDSave up to $2,649 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
1.29ct Round
$281 SGD